Use C++ iterators for Lists in many situations

core/config/engine.cpp

@@ -214,8 +214,8 @@ bool Engine::has_singleton(const String &p_name) const {
 }
 
 void Engine::get_singletons(List<Singleton> *p_singletons) {
-	for (List<Singleton>::Element *E = singletons.front(); E; E = E->next()) {
-		p_singletons->push_back(E->get());
+	for (Singleton &E : singletons) {
+		p_singletons->push_back(E);
 	}
 }
 

core/config/project_settings.cpp

@@ -700,9 +700,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 	int count = 0;
 
 	for (Map<String, List<String>>::Element *E = props.front(); E; E = E->next()) {
-		for (List<String>::Element *F = E->get().front(); F; F = F->next()) {
-			count++;
-		}
+		count += E->get().size();
 	}
 
 	if (p_custom_features != String()) {
@@ -734,8 +732,7 @@ Error ProjectSettings::_save_settings_binary(const String &p_file, const Map<Str
 	}
 
 	for (Map<String, List<String>>::Element *E = props.front(); E; E = E->next()) {
-		for (List<String>::Element *F = E->get().front(); F; F = F->next()) {
-			String key = F->get();
+		for (String &key : E->get()) {
 			if (E->key() != "") {
 				key = E->key() + "/" + key;
 			}
@@ -803,8 +800,8 @@ Error ProjectSettings::_save_settings_text(const String &p_file, const Map<Strin
 		if (E->key() != "") {
 			file->store_string("[" + E->key() + "]\n\n");
 		}
-		for (List<String>::Element *F = E->get().front(); F; F = F->next()) {
-			String key = F->get();
+		for (String &F : E->get()) {
+			String key = F;
 			if (E->key() != "") {
 				key = E->key() + "/" + key;
 			}
@@ -817,7 +814,7 @@ Error ProjectSettings::_save_settings_text(const String &p_file, const Map<Strin
 
 			String vstr;
 			VariantWriter::write_to_string(value, vstr);
-			file->store_string(F->get().property_name_encode() + "=" + vstr + "\n");
+			file->store_string(F.property_name_encode() + "=" + vstr + "\n");
 		}
 	}
 
@@ -931,11 +928,11 @@ Vector<String> ProjectSettings::get_optimizer_presets() const {
 	ProjectSettings::get_singleton()->get_property_list(&pi);
 	Vector<String> names;
 
-	for (List<PropertyInfo>::Element *E = pi.front(); E; E = E->next()) {
-		if (!E->get().name.begins_with("optimizer_presets/")) {
+	for (PropertyInfo &E : pi) {
+		if (!E.name.begins_with("optimizer_presets/")) {
 			continue;
 		}
-		names.push_back(E->get().name.get_slicec('/', 1));
+		names.push_back(E.name.get_slicec('/', 1));
 	}
 
 	names.sort();

core/core_bind.cpp

@@ -75,8 +75,8 @@ Vector<String> _ResourceLoader::get_recognized_extensions_for_type(const String
 	List<String> exts;
 	ResourceLoader::get_recognized_extensions_for_type(p_type, &exts);
 	Vector<String> ret;
-	for (List<String>::Element *E = exts.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (String &E : exts) {
+		ret.push_back(E);
 	}
 
 	return ret;
@@ -91,8 +91,8 @@ PackedStringArray _ResourceLoader::get_dependencies(const String &p_path) {
 	ResourceLoader::get_dependencies(p_path, &deps);
 
 	PackedStringArray ret;
-	for (List<String>::Element *E = deps.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (String &E : deps) {
+		ret.push_back(E);
 	}
 
 	return ret;
@@ -141,8 +141,8 @@ Vector<String> _ResourceSaver::get_recognized_extensions(const RES &p_resource)
 	List<String> exts;
 	ResourceSaver::get_recognized_extensions(p_resource, &exts);
 	Vector<String> ret;
-	for (List<String>::Element *E = exts.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (String &E : exts) {
+		ret.push_back(E);
 	}
 	return ret;
 }
@@ -268,8 +268,8 @@ String _OS::get_name() const {
 Vector<String> _OS::get_cmdline_args() {
 	List<String> cmdline = OS::get_singleton()->get_cmdline_args();
 	Vector<String> cmdlinev;
-	for (List<String>::Element *E = cmdline.front(); E; E = E->next()) {
-		cmdlinev.push_back(E->get());
+	for (String &E : cmdline) {
+		cmdlinev.push_back(E);
 	}
 
 	return cmdlinev;
@@ -355,20 +355,20 @@ void _OS::print_all_textures_by_size() {
 		List<Ref<Resource>> rsrc;
 		ResourceCache::get_cached_resources(&rsrc);
 
-		for (List<Ref<Resource>>::Element *E = rsrc.front(); E; E = E->next()) {
-			if (!E->get()->is_class("ImageTexture")) {
+		for (Ref<Resource> E : rsrc) {
+			if (!E->is_class("ImageTexture")) {
 				continue;
 			}
 
-			Size2 size = E->get()->call("get_size");
-			int fmt = E->get()->call("get_format");
+			Size2 size = E->call("get_size");
+			int fmt = E->call("get_format");
 
 			_OSCoreBindImg img;
 			img.size = size;
 			img.fmt = fmt;
-			img.path = E->get()->get_path();
+			img.path = E->get_path();
 			img.vram = Image::get_image_data_size(img.size.width, img.size.height, Image::Format(img.fmt));
-			img.id = E->get()->get_instance_id();
+			img.id = E->get_instance_id();
 			total += img.vram;
 			imgs.push_back(img);
 		}
@@ -376,8 +376,8 @@ void _OS::print_all_textures_by_size() {
 
 	imgs.sort();
 
-	for (List<_OSCoreBindImg>::Element *E = imgs.front(); E; E = E->next()) {
-		total -= E->get().vram;
+	for (_OSCoreBindImg &E : imgs) {
+		total -= E.vram;
 	}
 }
 
@@ -387,9 +387,7 @@ void _OS::print_resources_by_type(const Vector<String> &p_types) {
 	List<Ref<Resource>> resources;
 	ResourceCache::get_cached_resources(&resources);
 
-	for (List<Ref<Resource>>::Element *E = resources.front(); E; E = E->next()) {
-		Ref<Resource> r = E->get();
-
+	for (Ref<Resource> r : resources) {
 		bool found = false;
 
 		for (int i = 0; i < p_types.size(); i++) {
@@ -1824,8 +1822,8 @@ PackedStringArray _ClassDB::get_class_list() const {
 	PackedStringArray ret;
 	ret.resize(classes.size());
 	int idx = 0;
-	for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-		ret.set(idx++, E->get());
+	for (StringName &E : classes) {
+		ret.set(idx++, E);
 	}
 
 	return ret;
@@ -1838,8 +1836,8 @@ PackedStringArray _ClassDB::get_inheriters_from_class(const StringName &p_class)
 	PackedStringArray ret;
 	ret.resize(classes.size());
 	int idx = 0;
-	for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-		ret.set(idx++, E->get());
+	for (StringName &E : classes) {
+		ret.set(idx++, E);
 	}
 
 	return ret;
@@ -1893,8 +1891,8 @@ Array _ClassDB::get_signal_list(StringName p_class, bool p_no_inheritance) const
 	ClassDB::get_signal_list(p_class, &signals, p_no_inheritance);
 	Array ret;
 
-	for (List<MethodInfo>::Element *E = signals.front(); E; E = E->next()) {
-		ret.push_back(E->get().operator Dictionary());
+	for (MethodInfo &E : signals) {
+		ret.push_back(E.operator Dictionary());
 	}
 
 	return ret;
@@ -1904,8 +1902,8 @@ Array _ClassDB::get_property_list(StringName p_class, bool p_no_inheritance) con
 	List<PropertyInfo> plist;
 	ClassDB::get_property_list(p_class, &plist, p_no_inheritance);
 	Array ret;
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		ret.push_back(E->get().operator Dictionary());
+	for (PropertyInfo &E : plist) {
+		ret.push_back(E.operator Dictionary());
 	}
 
 	return ret;
@@ -1937,12 +1935,12 @@ Array _ClassDB::get_method_list(StringName p_class, bool p_no_inheritance) const
 	ClassDB::get_method_list(p_class, &methods, p_no_inheritance);
 	Array ret;
 
-	for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
+	for (MethodInfo &E : methods) {
 #ifdef DEBUG_METHODS_ENABLED
-		ret.push_back(E->get().operator Dictionary());
+		ret.push_back(E.operator Dictionary());
 #else
 		Dictionary dict;
-		dict["name"] = E->get().name;
+		dict["name"] = E.name;
 		ret.push_back(dict);
 #endif
 	}
@@ -1957,8 +1955,8 @@ PackedStringArray _ClassDB::get_integer_constant_list(const StringName &p_class,
 	PackedStringArray ret;
 	ret.resize(constants.size());
 	int idx = 0;
-	for (List<String>::Element *E = constants.front(); E; E = E->next()) {
-		ret.set(idx++, E->get());
+	for (String &E : constants) {
+		ret.set(idx++, E);
 	}
 
 	return ret;

core/debugger/debugger_marshalls.cpp

@@ -40,11 +40,11 @@ Array DebuggerMarshalls::ResourceUsage::serialize() {
 
 	Array arr;
 	arr.push_back(infos.size() * 4);
-	for (List<ResourceInfo>::Element *E = infos.front(); E; E = E->next()) {
-		arr.push_back(E->get().path);
-		arr.push_back(E->get().format);
-		arr.push_back(E->get().type);
-		arr.push_back(E->get().vram);
+	for (ResourceInfo &E : infos) {
+		arr.push_back(E.path);
+		arr.push_back(E.format);
+		arr.push_back(E.type);
+		arr.push_back(E.vram);
 	}
 	return arr;
 }

core/debugger/local_debugger.cpp

@@ -320,13 +320,13 @@ void LocalDebugger::print_variables(const List<String> &names, const List<Varian
 	String value;
 	Vector<String> value_lines;
 	const List<Variant>::Element *V = values.front();
-	for (const List<String>::Element *E = names.front(); E; E = E->next()) {
+	for (const String &E : names) {
 		value = String(V->get());
 
 		if (variable_prefix.is_empty()) {
-			print_line(E->get() + ": " + String(V->get()));
+			print_line(E + ": " + String(V->get()));
 		} else {
-			print_line(E->get() + ":");
+			print_line(E + ":");
 			value_lines = value.split("\n");
 			for (int i = 0; i < value_lines.size(); ++i) {
 				print_line(variable_prefix + value_lines[i]);

core/debugger/remote_debugger.cpp

@@ -427,16 +427,16 @@ void RemoteDebugger::_send_resource_usage() {
 	List<RS::TextureInfo> tinfo;
 	RS::get_singleton()->texture_debug_usage(&tinfo);
 
-	for (List<RS::TextureInfo>::Element *E = tinfo.front(); E; E = E->next()) {
+	for (RS::TextureInfo &E : tinfo) {
 		DebuggerMarshalls::ResourceInfo info;
-		info.path = E->get().path;
-		info.vram = E->get().bytes;
-		info.id = E->get().texture;
+		info.path = E.path;
+		info.vram = E.bytes;
+		info.id = E.texture;
 		info.type = "Texture";
-		if (E->get().depth == 0) {
-			info.format = itos(E->get().width) + "x" + itos(E->get().height) + " " + Image::get_format_name(E->get().format);
+		if (E.depth == 0) {
+			info.format = itos(E.width) + "x" + itos(E.height) + " " + Image::get_format_name(E.format);
 		} else {
-			info.format = itos(E->get().width) + "x" + itos(E->get().height) + "x" + itos(E->get().depth) + " " + Image::get_format_name(E->get().format);
+			info.format = itos(E.width) + "x" + itos(E.height) + "x" + itos(E.depth) + " " + Image::get_format_name(E.format);
 		}
 		usage.infos.push_back(info);
 	}

core/extension/extension_api_dump.cpp

@@ -276,10 +276,10 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 			Dictionary d1;
 			d1["name"] = E->key();
 			Array values;
-			for (List<Pair<String, int>>::Element *F = E->get().front(); F; F = F->next()) {
+			for (Pair<String, int> &F : E->get()) {
 				Dictionary d2;
-				d2["name"] = F->get().first;
-				d2["value"] = F->get().second;
+				d2["name"] = F.first;
+				d2["value"] = F.second;
 				values.push_back(d2);
 			}
 			d1["values"] = values;
@@ -294,8 +294,7 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 		List<StringName> utility_func_names;
 		Variant::get_utility_function_list(&utility_func_names);
 
-		for (List<StringName>::Element *E = utility_func_names.front(); E; E = E->next()) {
-			StringName name = E->get();
+		for (StringName &name : utility_func_names) {
 			Dictionary func;
 			func["name"] = String(name);
 			if (Variant::has_utility_function_return_value(name)) {
@@ -363,8 +362,7 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 
 				List<StringName> member_names;
 				Variant::get_member_list(type, &member_names);
-				for (List<StringName>::Element *E = member_names.front(); E; E = E->next()) {
-					StringName member_name = E->get();
+				for (StringName &member_name : member_names) {
 					Dictionary d2;
 					d2["name"] = String(member_name);
 					d2["type"] = Variant::get_type_name(Variant::get_member_type(type, member_name));
@@ -380,8 +378,7 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 
 				List<StringName> constant_names;
 				Variant::get_constants_for_type(type, &constant_names);
-				for (List<StringName>::Element *E = constant_names.front(); E; E = E->next()) {
-					StringName constant_name = E->get();
+				for (StringName &constant_name : constant_names) {
 					Dictionary d2;
 					d2["name"] = String(constant_name);
 					Variant constant = Variant::get_constant_value(type, constant_name);
@@ -420,8 +417,7 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 
 				List<StringName> method_names;
 				Variant::get_builtin_method_list(type, &method_names);
-				for (List<StringName>::Element *E = method_names.front(); E; E = E->next()) {
-					StringName method_name = E->get();
+				for (StringName &method_name : method_names) {
 					Dictionary d2;
 					d2["name"] = String(method_name);
 					if (Variant::has_builtin_method_return_value(type, method_name)) {
@@ -503,9 +499,8 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 
 		class_list.sort_custom<StringName::AlphCompare>();
 
-		for (List<StringName>::Element *E = class_list.front(); E; E = E->next()) {
+		for (StringName &class_name : class_list) {
 			Dictionary d;
-			StringName class_name = E->get();
 			d["name"] = String(class_name);
 			d["is_refcounted"] = ClassDB::is_parent_class(class_name, "RefCounted");
 			d["is_instantiable"] = ClassDB::can_instantiate(class_name);
@@ -525,15 +520,15 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 				Array constants;
 				List<String> constant_list;
 				ClassDB::get_integer_constant_list(class_name, &constant_list, true);
-				for (List<String>::Element *F = constant_list.front(); F; F = F->next()) {
-					StringName enum_name = ClassDB::get_integer_constant_enum(class_name, F->get());
+				for (String &F : constant_list) {
+					StringName enum_name = ClassDB::get_integer_constant_enum(class_name, F);
 					if (enum_name != StringName()) {
 						continue; //enums will be handled on their own
 					}
 
 					Dictionary d2;
-					d2["name"] = String(F->get());
-					d2["value"] = ClassDB::get_integer_constant(class_name, F->get());
+					d2["name"] = String(F);
+					d2["value"] = ClassDB::get_integer_constant(class_name, F);
 
 					constants.push_back(d2);
 				}
@@ -547,13 +542,13 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 				Array enums;
 				List<StringName> enum_list;
 				ClassDB::get_enum_list(class_name, &enum_list, true);
-				for (List<StringName>::Element *F = enum_list.front(); F; F = F->next()) {
+				for (StringName &F : enum_list) {
 					Dictionary d2;
-					d2["name"] = String(F->get());
+					d2["name"] = String(F);
 
 					Array values;
 					List<StringName> enum_constant_list;
-					ClassDB::get_enum_constants(class_name, F->get(), &enum_constant_list, true);
+					ClassDB::get_enum_constants(class_name, F, &enum_constant_list, true);
 					for (List<StringName>::Element *G = enum_constant_list.front(); G; G = G->next()) {
 						Dictionary d3;
 						d3["name"] = String(G->get());
@@ -575,14 +570,14 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 				Array methods;
 				List<MethodInfo> method_list;
 				ClassDB::get_method_list(class_name, &method_list, true);
-				for (List<MethodInfo>::Element *F = method_list.front(); F; F = F->next()) {
-					StringName method_name = F->get().name;
-					if (F->get().flags & METHOD_FLAG_VIRTUAL) {
+				for (MethodInfo &F : method_list) {
+					StringName method_name = F.name;
+					if (F.flags & METHOD_FLAG_VIRTUAL) {
 						//virtual method
-						const MethodInfo &mi = F->get();
+						const MethodInfo &mi = F;
 						Dictionary d2;
 						d2["name"] = String(method_name);
-						d2["is_const"] = (F->get().flags & METHOD_FLAG_CONST) ? true : false;
+						d2["is_const"] = (F.flags & METHOD_FLAG_CONST) ? true : false;
 						d2["is_vararg"] = false;
 						d2["is_virtual"] = true;
 						// virtual functions have no hash since no MethodBind is involved
@@ -619,7 +614,7 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 
 						methods.push_back(d2);
 
-					} else if (F->get().name.begins_with("_")) {
+					} else if (F.name.begins_with("_")) {
 						//hidden method, ignore
 
 					} else {
@@ -692,19 +687,19 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 				Array signals;
 				List<MethodInfo> signal_list;
 				ClassDB::get_signal_list(class_name, &signal_list, true);
-				for (List<MethodInfo>::Element *F = signal_list.front(); F; F = F->next()) {
-					StringName signal_name = F->get().name;
+				for (MethodInfo &F : signal_list) {
+					StringName signal_name = F.name;
 					Dictionary d2;
 					d2["name"] = String(signal_name);
 
 					Array arguments;
 
-					for (int i = 0; i < F->get().arguments.size(); i++) {
+					for (int i = 0; i < F.arguments.size(); i++) {
 						Dictionary d3;
-						d3["name"] = F->get().arguments[i].name;
-						Variant::Type type = F->get().arguments[i].type;
-						if (F->get().arguments[i].class_name != StringName()) {
-							d3["type"] = String(F->get().arguments[i].class_name);
+						d3["name"] = F.arguments[i].name;
+						Variant::Type type = F.arguments[i].type;
+						if (F.arguments[i].class_name != StringName()) {
+							d3["type"] = String(F.arguments[i].class_name);
 						} else if (type == Variant::NIL) {
 							d3["type"] = "Variant";
 						} else {
@@ -728,28 +723,28 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 				Array properties;
 				List<PropertyInfo> property_list;
 				ClassDB::get_property_list(class_name, &property_list, true);
-				for (List<PropertyInfo>::Element *F = property_list.front(); F; F = F->next()) {
-					if (F->get().usage & PROPERTY_USAGE_CATEGORY || F->get().usage & PROPERTY_USAGE_GROUP || F->get().usage & PROPERTY_USAGE_SUBGROUP) {
+				for (PropertyInfo &F : property_list) {
+					if (F.usage & PROPERTY_USAGE_CATEGORY || F.usage & PROPERTY_USAGE_GROUP || F.usage & PROPERTY_USAGE_SUBGROUP) {
 						continue; //not real properties
 					}
-					if (F->get().name.begins_with("_")) {
+					if (F.name.begins_with("_")) {
 						continue; //hidden property
 					}
-					StringName property_name = F->get().name;
+					StringName property_name = F.name;
 					Dictionary d2;
 					d2["name"] = String(property_name);
 
-					if (F->get().class_name != StringName()) {
-						d2["type"] = String(F->get().class_name);
-					} else if (F->get().type == Variant::NIL && F->get().usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
+					if (F.class_name != StringName()) {
+						d2["type"] = String(F.class_name);
+					} else if (F.type == Variant::NIL && F.usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
 						d2["type"] = "Variant";
 					} else {
-						d2["type"] = Variant::get_type_name(F->get().type);
+						d2["type"] = Variant::get_type_name(F.type);
 					}
 
-					d2["setter"] = ClassDB::get_property_setter(class_name, F->get().name);
-					d2["getter"] = ClassDB::get_property_getter(class_name, F->get().name);
-					d2["index"] = ClassDB::get_property_index(class_name, F->get().name);
+					d2["setter"] = ClassDB::get_property_setter(class_name, F.name);
+					d2["getter"] = ClassDB::get_property_getter(class_name, F.name);
+					d2["index"] = ClassDB::get_property_index(class_name, F.name);
 					properties.push_back(d2);
 				}
 
@@ -771,8 +766,7 @@ Dictionary NativeExtensionAPIDump::generate_extension_api() {
 		List<Engine::Singleton> singleton_list;
 		Engine::get_singleton()->get_singletons(&singleton_list);
 
-		for (List<Engine::Singleton>::Element *E = singleton_list.front(); E; E = E->next()) {
-			const Engine::Singleton &s = E->get();
+		for (Engine::Singleton &s : singleton_list) {
 			Dictionary d;
 			d["name"] = s.name;
 			if (s.class_name != StringName()) {

core/extension/native_extension.cpp

@@ -351,8 +351,8 @@ RES NativeExtensionResourceLoader::load(const String &p_path, const String &p_or
 
 	String library_path;
 
-	for (List<String>::Element *E = libraries.front(); E; E = E->next()) {
-		Vector<String> tags = E->get().split(".");
+	for (String &E : libraries) {
+		Vector<String> tags = E.split(".");
 		bool all_tags_met = true;
 		for (int i = 0; i < tags.size(); i++) {
 			String tag = tags[i].strip_edges();
@@ -363,7 +363,7 @@ RES NativeExtensionResourceLoader::load(const String &p_path, const String &p_or
 		}
 
 		if (all_tags_met) {
-			library_path = config->get_value("libraries", E->get());
+			library_path = config->get_value("libraries", E);
 			break;
 		}
 	}

core/input/input.cpp

@@ -174,9 +174,7 @@ void Input::get_argument_options(const StringName &p_function, int p_idx, List<S
 		List<PropertyInfo> pinfo;
 		ProjectSettings::get_singleton()->get_property_list(&pinfo);
 
-		for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-			const PropertyInfo &pi = E->get();
-
+		for (PropertyInfo &pi : pinfo) {
 			if (!pi.name.begins_with("input/")) {
 				continue;
 			}

core/input/input_map.cpp

@@ -65,11 +65,11 @@ String InputMap::_suggest_actions(const StringName &p_action) const {
 	float closest_similarity = 0.0;
 
 	// Find the most action with the most similar name.
-	for (List<StringName>::Element *E = actions.front(); E; E = E->next()) {
-		const float similarity = String(E->get()).similarity(p_action);
+	for (StringName &action : actions) {
+		const float similarity = String(action).similarity(p_action);
 
 		if (similarity > closest_similarity) {
-			closest_action = E->get();
+			closest_action = action;
 			closest_similarity = similarity;
 		}
 	}
@@ -105,8 +105,8 @@ Array InputMap::_get_actions() {
 		return ret;
 	}
 
-	for (const List<StringName>::Element *E = actions.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (const StringName &E : actions) {
+		ret.push_back(E);
 	}
 
 	return ret;
@@ -129,13 +129,11 @@ List<Ref<InputEvent>>::Element *InputMap::_find_event(Action &p_action, const Re
 	ERR_FAIL_COND_V(!p_event.is_valid(), nullptr);
 
 	for (List<Ref<InputEvent>>::Element *E = p_action.inputs.front(); E; E = E->next()) {
-		const Ref<InputEvent> e = E->get();
-
-		int device = e->get_device();
+		int device = E->get()->get_device();
 		if (device == ALL_DEVICES || device == p_event->get_device()) {
-			if (p_exact_match && e->is_match(p_event, true)) {
+			if (p_exact_match && E->get()->is_match(p_event, true)) {
 				return E;
-			} else if (!p_exact_match && e->action_match(p_event, p_pressed, p_strength, p_raw_strength, p_action.deadzone)) {
+			} else if (!p_exact_match && E->get()->action_match(p_event, p_pressed, p_strength, p_raw_strength, p_action.deadzone)) {
 				return E;
 			}
 		}
@@ -198,7 +196,7 @@ Array InputMap::_action_get_events(const StringName &p_action) {
 	const List<Ref<InputEvent>> *al = action_get_events(p_action);
 	if (al) {
 		for (const List<Ref<InputEvent>>::Element *E = al->front(); E; E = E->next()) {
-			ret.push_back(E->get());
+			ret.push_back(E);
 		}
 	}
 
@@ -263,9 +261,7 @@ void InputMap::load_from_project_settings() {
 	List<PropertyInfo> pinfo;
 	ProjectSettings::get_singleton()->get_property_list(&pinfo);
 
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		const PropertyInfo &pi = E->get();
-
+	for (PropertyInfo &pi : pinfo) {
 		if (!pi.name.begins_with("input/")) {
 			continue;
 		}

core/io/config_file.cpp

@@ -40,8 +40,8 @@ PackedStringArray ConfigFile::_get_sections() const {
 	PackedStringArray arr;
 	arr.resize(s.size());
 	int idx = 0;
-	for (const List<String>::Element *E = s.front(); E; E = E->next()) {
-		arr.set(idx++, E->get());
+	for (const String &E : s) {
+		arr.set(idx++, E);
 	}
 
 	return arr;
@@ -53,8 +53,8 @@ PackedStringArray ConfigFile::_get_section_keys(const String &p_section) const {
 	PackedStringArray arr;
 	arr.resize(s.size());
 	int idx = 0;
-	for (const List<String>::Element *E = s.front(); E; E = E->next()) {
-		arr.set(idx++, E->get());
+	for (const String &E : s) {
+		arr.set(idx++, E);
 	}
 
 	return arr;

core/io/dir_access.cpp

@@ -93,8 +93,8 @@ static Error _erase_recursive(DirAccess *da) {
 
 	da->list_dir_end();
 
-	for (List<String>::Element *E = dirs.front(); E; E = E->next()) {
-		Error err = da->change_dir(E->get());
+	for (String &E : dirs) {
+		Error err = da->change_dir(E);
 		if (err == OK) {
 			err = _erase_recursive(da);
 			if (err) {
@@ -105,7 +105,7 @@ static Error _erase_recursive(DirAccess *da) {
 			if (err) {
 				return err;
 			}
-			err = da->remove(da->get_current_dir().plus_file(E->get()));
+			err = da->remove(da->get_current_dir().plus_file(E));
 			if (err) {
 				return err;
 			}
@@ -114,8 +114,8 @@ static Error _erase_recursive(DirAccess *da) {
 		}
 	}
 
-	for (List<String>::Element *E = files.front(); E; E = E->next()) {
-		Error err = da->remove(da->get_current_dir().plus_file(E->get()));
+	for (String &E : files) {
+		Error err = da->remove(da->get_current_dir().plus_file(E));
 		if (err) {
 			return err;
 		}
@@ -362,16 +362,15 @@ Error DirAccess::_copy_dir(DirAccess *p_target_da, String p_to, int p_chmod_flag
 
 	list_dir_end();
 
-	for (List<String>::Element *E = dirs.front(); E; E = E->next()) {
-		String rel_path = E->get();
+	for (String &rel_path : dirs) {
 		String target_dir = p_to + rel_path;
 		if (!p_target_da->dir_exists(target_dir)) {
 			Error err = p_target_da->make_dir(target_dir);
 			ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot create directory '" + target_dir + "'.");
 		}
 
-		Error err = change_dir(E->get());
-		ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot change current directory to '" + E->get() + "'.");
+		Error err = change_dir(rel_path);
+		ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot change current directory to '" + rel_path + "'.");
 
 		err = _copy_dir(p_target_da, p_to + rel_path + "/", p_chmod_flags, p_copy_links);
 		if (err) {

core/io/http_client.cpp

@@ -93,8 +93,7 @@ Dictionary HTTPClient::_get_response_headers_as_dictionary() {
 	List<String> rh;
 	get_response_headers(&rh);
 	Dictionary ret;
-	for (const List<String>::Element *E = rh.front(); E; E = E->next()) {
-		const String &s = E->get();
+	for (const String &s : rh) {
 		int sp = s.find(":");
 		if (sp == -1) {
 			continue;
@@ -113,8 +112,8 @@ PackedStringArray HTTPClient::_get_response_headers() {
 	PackedStringArray ret;
 	ret.resize(rh.size());
 	int idx = 0;
-	for (const List<String>::Element *E = rh.front(); E; E = E->next()) {
-		ret.set(idx++, E->get());
+	for (const String &E : rh) {
+		ret.set(idx++, E);
 	}
 
 	return ret;

core/io/image_loader.cpp

@@ -35,8 +35,8 @@
 bool ImageFormatLoader::recognize(const String &p_extension) const {
 	List<String> extensions;
 	get_recognized_extensions(&extensions);
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		if (E->get().nocasecmp_to(p_extension) == 0) {
+	for (String &E : extensions) {
+		if (E.nocasecmp_to(p_extension) == 0) {
 			return true;
 		}
 	}

core/io/ip.cpp

@@ -252,8 +252,8 @@ Array IP::_get_local_addresses() const {
 	Array addresses;
 	List<IPAddress> ip_addresses;
 	get_local_addresses(&ip_addresses);
-	for (List<IPAddress>::Element *E = ip_addresses.front(); E; E = E->next()) {
-		addresses.push_back(E->get());
+	for (IPAddress &E : ip_addresses) {
+		addresses.push_back(E);
 	}
 
 	return addresses;
@@ -271,8 +271,8 @@ Array IP::_get_local_interfaces() const {
 		rc["index"] = c.index;
 
 		Array ips;
-		for (const List<IPAddress>::Element *F = c.ip_addresses.front(); F; F = F->next()) {
-			ips.push_front(F->get());
+		for (const IPAddress &F : c.ip_addresses) {
+			ips.push_front(F);
 		}
 		rc["addresses"] = ips;
 
@@ -286,8 +286,8 @@ void IP::get_local_addresses(List<IPAddress> *r_addresses) const {
 	Map<String, Interface_Info> interfaces;
 	get_local_interfaces(&interfaces);
 	for (Map<String, Interface_Info>::Element *E = interfaces.front(); E; E = E->next()) {
-		for (const List<IPAddress>::Element *F = E->get().ip_addresses.front(); F; F = F->next()) {
-			r_addresses->push_front(F->get());
+		for (const IPAddress &F : E->get().ip_addresses) {
+			r_addresses->push_front(F);
 		}
 	}
 }

core/io/json.cpp

@@ -121,14 +121,14 @@ String JSON::_stringify(const Variant &p_var, const String &p_indent, int p_cur_
 				keys.sort();
 			}
 
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
+			for (Variant &E : keys) {
 				if (E != keys.front()) {
 					s += ",";
 					s += end_statement;
 				}
-				s += _make_indent(p_indent, p_cur_indent + 1) + _stringify(String(E->get()), p_indent, p_cur_indent + 1, p_sort_keys, p_markers);
+				s += _make_indent(p_indent, p_cur_indent + 1) + _stringify(String(E), p_indent, p_cur_indent + 1, p_sort_keys, p_markers);
 				s += colon;
-				s += _stringify(d[E->get()], p_indent, p_cur_indent + 1, p_sort_keys, p_markers);
+				s += _stringify(d[E], p_indent, p_cur_indent + 1, p_sort_keys, p_markers);
 			}
 
 			s += end_statement + _make_indent(p_indent, p_cur_indent) + "}";

core/io/marshalls.cpp

@@ -1358,8 +1358,8 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 					obj->get_property_list(&props);
 
 					int pc = 0;
-					for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-						if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+					for (PropertyInfo &E : props) {
+						if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 							continue;
 						}
 						pc++;
@@ -1372,15 +1372,15 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 
 					r_len += 4;
 
-					for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-						if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+					for (PropertyInfo &E : props) {
+						if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 							continue;
 						}
 
-						_encode_string(E->get().name, buf, r_len);
+						_encode_string(E.name, buf, r_len);
 
 						int len;
-						Error err = encode_variant(obj->get(E->get().name), buf, len, p_full_objects);
+						Error err = encode_variant(obj->get(E.name), buf, len, p_full_objects);
 						if (err) {
 							return err;
 						}
@@ -1418,7 +1418,7 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 			List<Variant> keys;
 			d.get_key_list(&keys);
 
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
+			for (Variant &E : keys) {
 				/*
 				CharString utf8 = E->->utf8();
 
@@ -1433,13 +1433,13 @@ Error encode_variant(const Variant &p_variant, uint8_t *r_buffer, int &r_len, bo
 					r_len++; //pad
 				*/
 				int len;
-				encode_variant(E->get(), buf, len, p_full_objects);
+				encode_variant(E, buf, len, p_full_objects);
 				ERR_FAIL_COND_V(len % 4, ERR_BUG);
 				r_len += len;
 				if (buf) {
 					buf += len;
 				}
-				Variant *v = d.getptr(E->get());
+				Variant *v = d.getptr(E);
 				ERR_FAIL_COND_V(!v, ERR_BUG);
 				encode_variant(*v, buf, len, p_full_objects);
 				ERR_FAIL_COND_V(len % 4, ERR_BUG);

core/io/multiplayer_api.cpp

@@ -555,12 +555,12 @@ bool MultiplayerAPI::_send_confirm_path(Node *p_node, NodePath p_path, PathSentC
 
 		ofs += encode_cstring(path.get_data(), &packet.write[ofs]);
 
-		for (List<int>::Element *E = peers_to_add.front(); E; E = E->next()) {
-			network_peer->set_target_peer(E->get()); // To all of you.
+		for (int &E : peers_to_add) {
+			network_peer->set_target_peer(E); // To all of you.
 			network_peer->set_transfer_mode(MultiplayerPeer::TRANSFER_MODE_RELIABLE);
 			network_peer->put_packet(packet.ptr(), packet.size());
 
-			psc->confirmed_peers.insert(E->get(), false); // Insert into confirmed, but as false since it was not confirmed.
+			psc->confirmed_peers.insert(E, false); // Insert into confirmed, but as false since it was not confirmed.
 		}
 	}
 
@@ -917,8 +917,8 @@ void MultiplayerAPI::_del_peer(int p_id) {
 	// Some refactoring is needed to make this faster and do paths GC.
 	List<NodePath> keys;
 	path_send_cache.get_key_list(&keys);
-	for (List<NodePath>::Element *E = keys.front(); E; E = E->next()) {
-		PathSentCache *psc = path_send_cache.getptr(E->get());
+	for (NodePath &E : keys) {
+		PathSentCache *psc = path_send_cache.getptr(E);
 		psc->confirmed_peers.erase(p_id);
 	}
 	emit_signal(SNAME("network_peer_disconnected"), p_id);

core/io/packed_data_container.cpp

@@ -268,21 +268,21 @@ uint32_t PackedDataContainer::_pack(const Variant &p_data, Vector<uint8_t> &tmpd
 			d.get_key_list(&keys);
 			List<DictKey> sortk;
 
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
+			for (Variant &key : keys) {
 				DictKey dk;
-				dk.hash = E->get().hash();
-				dk.key = E->get();
+				dk.hash = key.hash();
+				dk.key = key;
 				sortk.push_back(dk);
 			}
 
 			sortk.sort();
 
 			int idx = 0;
-			for (List<DictKey>::Element *E = sortk.front(); E; E = E->next()) {
-				encode_uint32(E->get().hash, &tmpdata.write[pos + 8 + idx * 12 + 0]);
-				uint32_t ofs = _pack(E->get().key, tmpdata, string_cache);
+			for (DictKey &E : sortk) {
+				encode_uint32(E.hash, &tmpdata.write[pos + 8 + idx * 12 + 0]);
+				uint32_t ofs = _pack(E.key, tmpdata, string_cache);
 				encode_uint32(ofs, &tmpdata.write[pos + 8 + idx * 12 + 4]);
-				ofs = _pack(d[E->get().key], tmpdata, string_cache);
+				ofs = _pack(d[E.key], tmpdata, string_cache);
 				encode_uint32(ofs, &tmpdata.write[pos + 8 + idx * 12 + 8]);
 				idx++;
 			}

core/io/resource.cpp

@@ -165,15 +165,15 @@ Error Resource::copy_from(const Ref<Resource> &p_resource) {
 	List<PropertyInfo> pi;
 	p_resource->get_property_list(&pi);
 
-	for (List<PropertyInfo>::Element *E = pi.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+	for (PropertyInfo &E : pi) {
+		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 			continue;
 		}
-		if (E->get().name == "resource_path") {
+		if (E.name == "resource_path") {
 			continue; //do not change path
 		}
 
-		set(E->get().name, p_resource->get(E->get().name));
+		set(E.name, p_resource->get(E.name));
 	}
 	return OK;
 }
@@ -201,11 +201,11 @@ Ref<Resource> Resource::duplicate_for_local_scene(Node *p_for_scene, Map<Ref<Res
 
 	r->local_scene = p_for_scene;
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+	for (PropertyInfo &E : plist) {
+		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 			continue;
 		}
-		Variant p = get(E->get().name);
+		Variant p = get(E.name);
 		if (p.get_type() == Variant::OBJECT) {
 			RES sr = p;
 			if (sr.is_valid()) {
@@ -221,7 +221,7 @@ Ref<Resource> Resource::duplicate_for_local_scene(Node *p_for_scene, Map<Ref<Res
 			}
 		}
 
-		r->set(E->get().name, p);
+		r->set(E.name, p);
 	}
 
 	return r;
@@ -233,11 +233,11 @@ void Resource::configure_for_local_scene(Node *p_for_scene, Map<Ref<Resource>, R
 
 	local_scene = p_for_scene;
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+	for (PropertyInfo &E : plist) {
+		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 			continue;
 		}
-		Variant p = get(E->get().name);
+		Variant p = get(E.name);
 		if (p.get_type() == Variant::OBJECT) {
 			RES sr = p;
 			if (sr.is_valid()) {
@@ -259,21 +259,21 @@ Ref<Resource> Resource::duplicate(bool p_subresources) const {
 	Ref<Resource> r = (Resource *)ClassDB::instantiate(get_class());
 	ERR_FAIL_COND_V(r.is_null(), Ref<Resource>());
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+	for (PropertyInfo &E : plist) {
+		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 			continue;
 		}
-		Variant p = get(E->get().name);
+		Variant p = get(E.name);
 
 		if ((p.get_type() == Variant::DICTIONARY || p.get_type() == Variant::ARRAY)) {
-			r->set(E->get().name, p.duplicate(p_subresources));
-		} else if (p.get_type() == Variant::OBJECT && (p_subresources || (E->get().usage & PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE))) {
+			r->set(E.name, p.duplicate(p_subresources));
+		} else if (p.get_type() == Variant::OBJECT && (p_subresources || (E.usage & PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE))) {
 			RES sr = p;
 			if (sr.is_valid()) {
-				r->set(E->get().name, sr->duplicate(p_subresources));
+				r->set(E.name, sr->duplicate(p_subresources));
 			}
 		} else {
-			r->set(E->get().name, p);
+			r->set(E.name, p);
 		}
 	}
 
@@ -317,9 +317,9 @@ uint32_t Resource::hash_edited_version() const {
 	List<PropertyInfo> plist;
 	get_property_list(&plist);
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (E->get().usage & PROPERTY_USAGE_STORAGE && E->get().type == Variant::OBJECT && E->get().hint == PROPERTY_HINT_RESOURCE_TYPE) {
-			RES res = get(E->get().name);
+	for (PropertyInfo &E : plist) {
+		if (E.usage & PROPERTY_USAGE_STORAGE && E.type == Variant::OBJECT && E.hint == PROPERTY_HINT_RESOURCE_TYPE) {
+			RES res = get(E.name);
 			if (res.is_valid()) {
 				hash = hash_djb2_one_32(res->hash_edited_version(), hash);
 			}

core/io/resource_format_binary.cpp

@@ -1025,8 +1025,8 @@ void ResourceFormatLoaderBinary::get_recognized_extensions_for_type(const String
 
 	extensions.sort();
 
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		String ext = E->get().to_lower();
+	for (String &E : extensions) {
+		String ext = E.to_lower();
 		p_extensions->push_back(ext);
 	}
 }
@@ -1036,8 +1036,8 @@ void ResourceFormatLoaderBinary::get_recognized_extensions(List<String> *p_exten
 	ClassDB::get_resource_base_extensions(&extensions);
 	extensions.sort();
 
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		String ext = E->get().to_lower();
+	for (String &E : extensions) {
+		String ext = E.to_lower();
 		p_extensions->push_back(ext);
 	}
 }
@@ -1528,14 +1528,14 @@ void ResourceFormatSaverBinaryInstance::write_variant(FileAccess *f, const Varia
 			List<Variant> keys;
 			d.get_key_list(&keys);
 
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
+			for (Variant &E : keys) {
 				/*
-				if (!_check_type(dict[E->get()]))
+				if (!_check_type(dict[E]))
 					continue;
 				*/
 
-				write_variant(f, E->get(), resource_map, external_resources, string_map);
-				write_variant(f, d[E->get()], resource_map, external_resources, string_map);
+				write_variant(f, E, resource_map, external_resources, string_map);
+				write_variant(f, d[E], resource_map, external_resources, string_map);
 			}
 
 		} break;
@@ -1685,15 +1685,15 @@ void ResourceFormatSaverBinaryInstance::_find_resources(const Variant &p_variant
 
 			res->get_property_list(&property_list);
 
-			for (List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
-				if (E->get().usage & PROPERTY_USAGE_STORAGE) {
-					Variant value = res->get(E->get().name);
-					if (E->get().usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT) {
+			for (PropertyInfo &E : property_list) {
+				if (E.usage & PROPERTY_USAGE_STORAGE) {
+					Variant value = res->get(E.name);
+					if (E.usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT) {
 						RES sres = value;
 						if (sres.is_valid()) {
 							NonPersistentKey npk;
 							npk.base = res;
-							npk.property = E->get().name;
+							npk.property = E.name;
 							non_persistent_map[npk] = sres;
 							resource_set.insert(sres);
 							saved_resources.push_back(sres);
@@ -1723,9 +1723,9 @@ void ResourceFormatSaverBinaryInstance::_find_resources(const Variant &p_variant
 			Dictionary d = p_variant;
 			List<Variant> keys;
 			d.get_key_list(&keys);
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-				_find_resources(E->get());
-				Variant v = d[E->get()];
+			for (Variant &E : keys) {
+				_find_resources(E);
+				Variant v = d[E];
 				_find_resources(v);
 			}
 		} break;
@@ -1832,39 +1832,39 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p
 	List<ResourceData> resources;
 
 	{
-		for (List<RES>::Element *E = saved_resources.front(); E; E = E->next()) {
+		for (RES &E : saved_resources) {
 			ResourceData &rd = resources.push_back(ResourceData())->get();
-			rd.type = E->get()->get_class();
+			rd.type = E->get_class();
 
 			List<PropertyInfo> property_list;
-			E->get()->get_property_list(&property_list);
+			E->get_property_list(&property_list);
 
-			for (List<PropertyInfo>::Element *F = property_list.front(); F; F = F->next()) {
-				if (skip_editor && F->get().name.begins_with("__editor")) {
+			for (PropertyInfo &F : property_list) {
+				if (skip_editor && F.name.begins_with("__editor")) {
 					continue;
 				}
-				if ((F->get().usage & PROPERTY_USAGE_STORAGE)) {
+				if ((F.usage & PROPERTY_USAGE_STORAGE)) {
 					Property p;
-					p.name_idx = get_string_index(F->get().name);
+					p.name_idx = get_string_index(F.name);
 
-					if (F->get().usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT) {
+					if (F.usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT) {
 						NonPersistentKey npk;
-						npk.base = E->get();
-						npk.property = F->get().name;
+						npk.base = E;
+						npk.property = F.name;
 						if (non_persistent_map.has(npk)) {
 							p.value = non_persistent_map[npk];
 						}
 					} else {
-						p.value = E->get()->get(F->get().name);
+						p.value = E->get(F.name);
 					}
 
-					Variant default_value = ClassDB::class_get_default_property_value(E->get()->get_class(), F->get().name);
+					Variant default_value = ClassDB::class_get_default_property_value(E->get_class(), F.name);
 
 					if (default_value.get_type() != Variant::NIL && bool(Variant::evaluate(Variant::OP_EQUAL, p.value, default_value))) {
 						continue;
 					}
 
-					p.pi = F->get();
+					p.pi = F;
 
 					rd.properties.push_back(p);
 				}
@@ -1897,8 +1897,7 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p
 	Vector<uint64_t> ofs_pos;
 	Set<String> used_unique_ids;
 
-	for (List<RES>::Element *E = saved_resources.front(); E; E = E->next()) {
-		RES r = E->get();
+	for (RES &r : saved_resources) {
 		if (r->get_path() == "" || r->get_path().find("::") != -1) {
 			if (r->get_scene_unique_id() != "") {
 				if (used_unique_ids.has(r->get_scene_unique_id())) {
@@ -1912,8 +1911,7 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p
 
 	Map<RES, int> resource_map;
 	int res_index = 0;
-	for (List<RES>::Element *E = saved_resources.front(); E; E = E->next()) {
-		RES r = E->get();
+	for (RES &r : saved_resources) {
 		if (r->get_path() == "" || r->get_path().find("::") != -1) {
 			if (r->get_scene_unique_id() == "") {
 				String new_id;
@@ -1947,17 +1945,15 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p
 	Vector<uint64_t> ofs_table;
 
 	//now actually save the resources
-	for (List<ResourceData>::Element *E = resources.front(); E; E = E->next()) {
-		ResourceData &rd = E->get();
-
+	for (ResourceData &rd : resources) {
 		ofs_table.push_back(f->get_position());
 		save_unicode_string(f, rd.type);
 		f->store_32(rd.properties.size());
 
-		for (List<Property>::Element *F = rd.properties.front(); F; F = F->next()) {
-			Property &p = F->get();
+		for (Property &F : rd.properties) {
+			Property &p = F;
 			f->store_32(p.name_idx);
-			write_variant(f, p.value, resource_map, external_resources, string_map, F->get().pi);
+			write_variant(f, p.value, resource_map, external_resources, string_map, F.pi);
 		}
 	}
 

core/io/resource_importer.cpp

@@ -146,10 +146,10 @@ void ResourceFormatImporter::get_recognized_extensions(List<String> *p_extension
 	for (int i = 0; i < importers.size(); i++) {
 		List<String> local_exts;
 		importers[i]->get_recognized_extensions(&local_exts);
-		for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
-			if (!found.has(F->get())) {
-				p_extensions->push_back(F->get());
-				found.insert(F->get());
+		for (String &F : local_exts) {
+			if (!found.has(F)) {
+				p_extensions->push_back(F);
+				found.insert(F);
 			}
 		}
 	}
@@ -175,10 +175,10 @@ void ResourceFormatImporter::get_recognized_extensions_for_type(const String &p_
 
 		List<String> local_exts;
 		importers[i]->get_recognized_extensions(&local_exts);
-		for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
-			if (!found.has(F->get())) {
-				p_extensions->push_back(F->get());
-				found.insert(F->get());
+		for (String &F : local_exts) {
+			if (!found.has(F)) {
+				p_extensions->push_back(F);
+				found.insert(F);
 			}
 		}
 	}
@@ -372,8 +372,8 @@ void ResourceFormatImporter::get_importers_for_extension(const String &p_extensi
 	for (int i = 0; i < importers.size(); i++) {
 		List<String> local_exts;
 		importers[i]->get_recognized_extensions(&local_exts);
-		for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
-			if (p_extension.to_lower() == F->get()) {
+		for (String &F : local_exts) {
+			if (p_extension.to_lower() == F) {
 				r_importers->push_back(importers[i]);
 			}
 		}
@@ -393,8 +393,8 @@ Ref<ResourceImporter> ResourceFormatImporter::get_importer_by_extension(const St
 	for (int i = 0; i < importers.size(); i++) {
 		List<String> local_exts;
 		importers[i]->get_recognized_extensions(&local_exts);
-		for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
-			if (p_extension.to_lower() == F->get() && importers[i]->get_priority() > priority) {
+		for (String &F : local_exts) {
+			if (p_extension.to_lower() == F && importers[i]->get_priority() > priority) {
 				importer = importers[i];
 				priority = importers[i]->get_priority();
 			}

core/io/resource_loader.cpp

@@ -58,8 +58,8 @@ bool ResourceFormatLoader::recognize_path(const String &p_path, const String &p_
 		get_recognized_extensions_for_type(p_for_type, &extensions);
 	}
 
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		if (E->get().nocasecmp_to(extension) == 0) {
+	for (String &E : extensions) {
+		if (E.nocasecmp_to(extension) == 0) {
 			return true;
 		}
 	}
@@ -978,15 +978,15 @@ void ResourceLoader::load_translation_remaps() {
 	Dictionary remaps = ProjectSettings::get_singleton()->get("internationalization/locale/translation_remaps");
 	List<Variant> keys;
 	remaps.get_key_list(&keys);
-	for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-		Array langs = remaps[E->get()];
+	for (Variant &E : keys) {
+		Array langs = remaps[E];
 		Vector<String> lang_remaps;
 		lang_remaps.resize(langs.size());
 		for (int i = 0; i < langs.size(); i++) {
 			lang_remaps.write[i] = langs[i];
 		}
 
-		translation_remaps[String(E->get())] = lang_remaps;
+		translation_remaps[String(E)] = lang_remaps;
 	}
 }
 
@@ -1071,8 +1071,7 @@ void ResourceLoader::add_custom_loaders() {
 	List<StringName> global_classes;
 	ScriptServer::get_global_class_list(&global_classes);
 
-	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
-		StringName class_name = E->get();
+	for (StringName &class_name : global_classes) {
 		StringName base_class = ScriptServer::get_global_class_native_base(class_name);
 
 		if (base_class == custom_loader_base_class) {

core/io/resource_saver.cpp

@@ -94,8 +94,8 @@ Error ResourceSaver::save(const String &p_path, const RES &p_resource, uint32_t
 		bool recognized = false;
 		saver[i]->get_recognized_extensions(p_resource, &extensions);
 
-		for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-			if (E->get().nocasecmp_to(extension) == 0) {
+		for (String &E : extensions) {
+			if (E.nocasecmp_to(extension) == 0) {
 				recognized = true;
 			}
 		}
@@ -236,8 +236,7 @@ void ResourceSaver::add_custom_savers() {
 	List<StringName> global_classes;
 	ScriptServer::get_global_class_list(&global_classes);
 
-	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
-		StringName class_name = E->get();
+	for (StringName &class_name : global_classes) {
 		StringName base_class = ScriptServer::get_global_class_native_base(class_name);
 
 		if (base_class == custom_saver_base_class) {

core/math/delaunay_3d.h

@@ -375,8 +375,7 @@ public:
 		OutputSimplex *ret_simplicesw = ret_simplices.ptrw();
 		uint32_t simplices_written = 0;
 
-		for (List<Simplex *>::Element *E = simplex_list.front(); E; E = E->next()) {
-			Simplex *simplex = E->get();
+		for (Simplex *simplex : simplex_list) {
 			bool invalid = false;
 			for (int j = 0; j < 4; j++) {
 				if (simplex->points[j] >= point_count) {

core/math/quick_hull.cpp

@@ -192,9 +192,9 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 			continue;
 		}
 
-		for (List<Face>::Element *E = faces.front(); E; E = E->next()) {
-			if (E->get().plane.distance_to(p_points[i]) > over_tolerance) {
-				E->get().points_over.push_back(i);
+		for (Face &E : faces) {
+			if (E.plane.distance_to(p_points[i]) > over_tolerance) {
+				E.points_over.push_back(i);
 				break;
 			}
 		}
@@ -292,8 +292,8 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 
 		//distribute points into new faces
 
-		for (List<List<Face>::Element *>::Element *F = lit_faces.front(); F; F = F->next()) {
-			Face &lf = F->get()->get();
+		for (List<Face>::Element *&F : lit_faces) {
+			Face &lf = F->get();
 
 			for (int i = 0; i < lf.points_over.size(); i++) {
 				if (lf.points_over[i] == f.points_over[next]) { //do not add current one
@@ -301,8 +301,8 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 				}
 
 				Vector3 p = p_points[lf.points_over[i]];
-				for (List<List<Face>::Element *>::Element *E = new_faces.front(); E; E = E->next()) {
-					Face &f2 = E->get()->get();
+				for (List<Face>::Element *&E : new_faces) {
+					Face &f2 = E->get();
 					if (f2.plane.distance_to(p) > over_tolerance) {
 						f2.points_over.push_back(lf.points_over[i]);
 						break;
@@ -320,10 +320,10 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 
 		//put faces that contain no points on the front
 
-		for (List<List<Face>::Element *>::Element *E = new_faces.front(); E; E = E->next()) {
-			Face &f2 = E->get()->get();
+		for (List<Face>::Element *&E : new_faces) {
+			Face &f2 = E->get();
 			if (f2.points_over.size() == 0) {
-				faces.move_to_front(E->get());
+				faces.move_to_front(E);
 			}
 		}
 
@@ -336,19 +336,19 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 	Map<Edge, RetFaceConnect> ret_edges;
 	List<Geometry3D::MeshData::Face> ret_faces;
 
-	for (List<Face>::Element *E = faces.front(); E; E = E->next()) {
+	for (Face &E : faces) {
 		Geometry3D::MeshData::Face f;
-		f.plane = E->get().plane;
+		f.plane = E.plane;
 
 		for (int i = 0; i < 3; i++) {
-			f.indices.push_back(E->get().vertices[i]);
+			f.indices.push_back(E.vertices[i]);
 		}
 
 		List<Geometry3D::MeshData::Face>::Element *F = ret_faces.push_back(f);
 
 		for (int i = 0; i < 3; i++) {
-			uint32_t a = E->get().vertices[i];
-			uint32_t b = E->get().vertices[(i + 1) % 3];
+			uint32_t a = E.vertices[i];
+			uint32_t b = E.vertices[(i + 1) % 3];
 			Edge e(a, b);
 
 			Map<Edge, RetFaceConnect>::Element *G = ret_edges.find(e);
@@ -439,8 +439,8 @@ Error QuickHull::build(const Vector<Vector3> &p_points, Geometry3D::MeshData &r_
 	r_mesh.faces.resize(ret_faces.size());
 
 	int idx = 0;
-	for (List<Geometry3D::MeshData::Face>::Element *E = ret_faces.front(); E; E = E->next()) {
-		r_mesh.faces.write[idx++] = E->get();
+	for (Geometry3D::MeshData::Face &E : ret_faces) {
+		r_mesh.faces.write[idx++] = E;
 	}
 	r_mesh.edges.resize(ret_edges.size());
 	idx = 0;

core/object/class_db.cpp

@@ -359,9 +359,9 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
 	//must be alphabetically sorted for hash to compute
 	names.sort_custom<StringName::AlphCompare>();
 
-	for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-		ClassInfo *t = classes.getptr(E->get());
-		ERR_FAIL_COND_V_MSG(!t, 0, "Cannot get class '" + String(E->get()) + "'.");
+	for (StringName &E : names) {
+		ClassInfo *t = classes.getptr(E);
+		ERR_FAIL_COND_V_MSG(!t, 0, "Cannot get class '" + String(E) + "'.");
 		if (t->api != p_api || !t->exposed) {
 			continue;
 		}
@@ -388,8 +388,8 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
 
 			snames.sort_custom<StringName::AlphCompare>();
 
-			for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
-				MethodBind *mb = t->method_map[F->get()];
+			for (StringName &F : snames) {
+				MethodBind *mb = t->method_map[F];
 				hash = hash_djb2_one_64(mb->get_name().hash(), hash);
 				hash = hash_djb2_one_64(mb->get_argument_count(), hash);
 				hash = hash_djb2_one_64(mb->get_argument_type(-1), hash); //return
@@ -426,9 +426,9 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
 
 			snames.sort_custom<StringName::AlphCompare>();
 
-			for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
-				hash = hash_djb2_one_64(F->get().hash(), hash);
-				hash = hash_djb2_one_64(t->constant_map[F->get()], hash);
+			for (StringName &F : snames) {
+				hash = hash_djb2_one_64(F.hash(), hash);
+				hash = hash_djb2_one_64(t->constant_map[F], hash);
 			}
 		}
 
@@ -444,9 +444,9 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
 
 			snames.sort_custom<StringName::AlphCompare>();
 
-			for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
-				MethodInfo &mi = t->signal_map[F->get()];
-				hash = hash_djb2_one_64(F->get().hash(), hash);
+			for (StringName &F : snames) {
+				MethodInfo &mi = t->signal_map[F];
+				hash = hash_djb2_one_64(F.hash(), hash);
 				for (int i = 0; i < mi.arguments.size(); i++) {
 					hash = hash_djb2_one_64(mi.arguments[i].type, hash);
 				}
@@ -465,23 +465,23 @@ uint64_t ClassDB::get_api_hash(APIType p_api) {
 
 			snames.sort_custom<StringName::AlphCompare>();
 
-			for (List<StringName>::Element *F = snames.front(); F; F = F->next()) {
-				PropertySetGet *psg = t->property_setget.getptr(F->get());
+			for (StringName &F : snames) {
+				PropertySetGet *psg = t->property_setget.getptr(F);
 				ERR_FAIL_COND_V(!psg, 0);
 
-				hash = hash_djb2_one_64(F->get().hash(), hash);
+				hash = hash_djb2_one_64(F.hash(), hash);
 				hash = hash_djb2_one_64(psg->setter.hash(), hash);
 				hash = hash_djb2_one_64(psg->getter.hash(), hash);
 			}
 		}
 
 		//property list
-		for (List<PropertyInfo>::Element *F = t->property_list.front(); F; F = F->next()) {
-			hash = hash_djb2_one_64(F->get().name.hash(), hash);
-			hash = hash_djb2_one_64(F->get().type, hash);
-			hash = hash_djb2_one_64(F->get().hint, hash);
-			hash = hash_djb2_one_64(F->get().hint_string.hash(), hash);
-			hash = hash_djb2_one_64(F->get().usage, hash);
+		for (PropertyInfo &F : t->property_list) {
+			hash = hash_djb2_one_64(F.name.hash(), hash);
+			hash = hash_djb2_one_64(F.type, hash);
+			hash = hash_djb2_one_64(F.hint, hash);
+			hash = hash_djb2_one_64(F.hint_string.hash(), hash);
+			hash = hash_djb2_one_64(F.usage, hash);
 		}
 	}
 
@@ -619,16 +619,16 @@ void ClassDB::get_method_list(const StringName &p_class, List<MethodInfo> *p_met
 
 #ifdef DEBUG_METHODS_ENABLED
 
-		for (List<MethodInfo>::Element *E = type->virtual_methods.front(); E; E = E->next()) {
-			p_methods->push_back(E->get());
+		for (MethodInfo &E : type->virtual_methods) {
+			p_methods->push_back(E);
 		}
 
-		for (List<StringName>::Element *E = type->method_order.front(); E; E = E->next()) {
-			if (p_exclude_from_properties && type->methods_in_properties.has(E->get())) {
+		for (StringName &E : type->method_order) {
+			if (p_exclude_from_properties && type->methods_in_properties.has(E)) {
 				continue;
 			}
 
-			MethodBind *method = type->method_map.get(E->get());
+			MethodBind *method = type->method_map.get(E);
 			MethodInfo minfo = info_from_bind(method);
 
 			p_methods->push_back(minfo);
@@ -763,8 +763,8 @@ void ClassDB::get_integer_constant_list(const StringName &p_class, List<String>
 
 	while (type) {
 #ifdef DEBUG_METHODS_ENABLED
-		for (List<StringName>::Element *E = type->constant_order.front(); E; E = E->next()) {
-			p_constants->push_back(E->get());
+		for (StringName &E : type->constant_order) {
+			p_constants->push_back(E);
 		}
 #else
 		const StringName *K = nullptr;
@@ -1073,13 +1073,12 @@ void ClassDB::get_property_list(const StringName &p_class, List<PropertyInfo> *p
 	ClassInfo *type = classes.getptr(p_class);
 	ClassInfo *check = type;
 	while (check) {
-		for (List<PropertyInfo>::Element *E = check->property_list.front(); E; E = E->next()) {
+		for (PropertyInfo pi : check->property_list) {
 			if (p_validator) {
-				PropertyInfo pi = E->get();
 				p_validator->_validate_property(pi);
 				p_list->push_back(pi);
 			} else {
-				p_list->push_back(E->get());
+				p_list->push_back(pi);
 			}
 		}
 
@@ -1429,8 +1428,8 @@ void ClassDB::get_virtual_methods(const StringName &p_class, List<MethodInfo> *p
 	ClassInfo *type = classes.getptr(p_class);
 	ClassInfo *check = type;
 	while (check) {
-		for (List<MethodInfo>::Element *E = check->virtual_methods.front(); E; E = E->next()) {
-			p_methods->push_back(E->get());
+		for (MethodInfo &E : check->virtual_methods) {
+			p_methods->push_back(E);
 		}
 
 		if (p_no_inheritance) {
@@ -1530,11 +1529,11 @@ Variant ClassDB::class_get_default_property_value(const StringName &p_class, con
 		if (c) {
 			List<PropertyInfo> plist;
 			c->get_property_list(&plist);
-			for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-				if (E->get().usage & (PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR)) {
-					if (!default_values[p_class].has(E->get().name)) {
-						Variant v = c->get(E->get().name);
-						default_values[p_class][E->get().name] = v;
+			for (PropertyInfo &E : plist) {
+				if (E.usage & (PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_EDITOR)) {
+					if (!default_values[p_class].has(E.name)) {
+						Variant v = c->get(E.name);
+						default_values[p_class][E.name] = v;
 					}
 				}
 			}

core/object/object.cpp

@@ -969,8 +969,8 @@ Vector<StringName> Object::_get_meta_list_bind() const {
 
 	List<Variant> keys;
 	metadata.get_key_list(&keys);
-	for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-		_metaret.push_back(E->get());
+	for (Variant &E : keys) {
+		_metaret.push_back(E);
 	}
 
 	return _metaret;
@@ -979,8 +979,8 @@ Vector<StringName> Object::_get_meta_list_bind() const {
 void Object::get_meta_list(List<StringName> *p_list) const {
 	List<Variant> keys;
 	metadata.get_key_list(&keys);
-	for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-		p_list->push_back(E->get());
+	for (Variant &E : keys) {
+		p_list->push_back(E);
 	}
 }
 
@@ -1184,8 +1184,8 @@ Array Object::_get_signal_list() const {
 	get_signal_list(&signal_list);
 
 	Array ret;
-	for (List<MethodInfo>::Element *E = signal_list.front(); E; E = E->next()) {
-		ret.push_back(Dictionary(E->get()));
+	for (MethodInfo &E : signal_list) {
+		ret.push_back(Dictionary(E));
 	}
 
 	return ret;
@@ -1197,8 +1197,7 @@ Array Object::_get_signal_connection_list(const String &p_signal) const {
 
 	Array ret;
 
-	for (List<Connection>::Element *E = conns.front(); E; E = E->next()) {
-		Connection &c = E->get();
+	for (Connection &c : conns) {
 		if (c.signal.get_name() == p_signal) {
 			ret.push_back(c);
 		}
@@ -1297,8 +1296,8 @@ int Object::get_persistent_signal_connection_count() const {
 }
 
 void Object::get_signals_connected_to_this(List<Connection> *p_connections) const {
-	for (const List<Connection>::Element *E = connections.front(); E; E = E->next()) {
-		p_connections->push_back(E->get());
+	for (const Connection &E : connections) {
+		p_connections->push_back(E);
 	}
 }
 
@@ -1500,9 +1499,9 @@ void Object::_clear_internal_resource_paths(const Variant &p_var) {
 			List<Variant> keys;
 			d.get_key_list(&keys);
 
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-				_clear_internal_resource_paths(E->get());
-				_clear_internal_resource_paths(d[E->get()]);
+			for (Variant &E : keys) {
+				_clear_internal_resource_paths(E);
+				_clear_internal_resource_paths(d[E]);
 			}
 		} break;
 		default: {
@@ -1531,8 +1530,8 @@ void Object::clear_internal_resource_paths() {
 
 	get_property_list(&pinfo);
 
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		_clear_internal_resource_paths(get(E->get().name));
+	for (PropertyInfo &E : pinfo) {
+		_clear_internal_resource_paths(get(E.name));
 	}
 }
 
@@ -1666,12 +1665,12 @@ void Object::get_translatable_strings(List<String> *p_strings) const {
 	List<PropertyInfo> plist;
 	get_property_list(&plist);
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_INTERNATIONALIZED)) {
+	for (PropertyInfo &E : plist) {
+		if (!(E.usage & PROPERTY_USAGE_INTERNATIONALIZED)) {
 			continue;
 		}
 
-		String text = get(E->get().name);
+		String text = get(E.name);
 
 		if (text == "") {
 			continue;

core/object/script_language.cpp

@@ -63,8 +63,8 @@ Array Script::_get_script_property_list() {
 	Array ret;
 	List<PropertyInfo> list;
 	get_script_property_list(&list);
-	for (List<PropertyInfo>::Element *E = list.front(); E; E = E->next()) {
-		ret.append(E->get().operator Dictionary());
+	for (PropertyInfo &E : list) {
+		ret.append(E.operator Dictionary());
 	}
 	return ret;
 }
@@ -73,8 +73,8 @@ Array Script::_get_script_method_list() {
 	Array ret;
 	List<MethodInfo> list;
 	get_script_method_list(&list);
-	for (List<MethodInfo>::Element *E = list.front(); E; E = E->next()) {
-		ret.append(E->get().operator Dictionary());
+	for (MethodInfo &E : list) {
+		ret.append(E.operator Dictionary());
 	}
 	return ret;
 }
@@ -83,8 +83,8 @@ Array Script::_get_script_signal_list() {
 	Array ret;
 	List<MethodInfo> list;
 	get_script_signal_list(&list);
-	for (List<MethodInfo>::Element *E = list.front(); E; E = E->next()) {
-		ret.append(E->get().operator Dictionary());
+	for (MethodInfo &E : list) {
+		ret.append(E.operator Dictionary());
 	}
 	return ret;
 }
@@ -257,8 +257,8 @@ void ScriptServer::get_global_class_list(List<StringName> *r_global_classes) {
 		classes.push_back(*K);
 	}
 	classes.sort_custom<StringName::AlphCompare>();
-	for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-		r_global_classes->push_back(E->get());
+	for (StringName &E : classes) {
+		r_global_classes->push_back(E);
 	}
 }
 
@@ -266,12 +266,12 @@ void ScriptServer::save_global_classes() {
 	List<StringName> gc;
 	get_global_class_list(&gc);
 	Array gcarr;
-	for (List<StringName>::Element *E = gc.front(); E; E = E->next()) {
+	for (StringName &E : gc) {
 		Dictionary d;
-		d["class"] = E->get();
-		d["language"] = global_classes[E->get()].language;
-		d["path"] = global_classes[E->get()].path;
-		d["base"] = global_classes[E->get()].base;
+		d["class"] = E;
+		d["language"] = global_classes[E].language;
+		d["path"] = global_classes[E].path;
+		d["base"] = global_classes[E].base;
 		gcarr.push_back(d);
 	}
 
@@ -297,10 +297,10 @@ void ScriptServer::save_global_classes() {
 void ScriptInstance::get_property_state(List<Pair<StringName, Variant>> &state) {
 	List<PropertyInfo> pinfo;
 	get_property_list(&pinfo);
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		if (E->get().usage & PROPERTY_USAGE_STORAGE) {
+	for (PropertyInfo &E : pinfo) {
+		if (E.usage & PROPERTY_USAGE_STORAGE) {
 			Pair<StringName, Variant> p;
-			p.first = E->get().name;
+			p.first = E.name;
 			if (get(p.first, p.second)) {
 				state.push_back(p);
 			}
@@ -430,16 +430,16 @@ bool PlaceHolderScriptInstance::get(const StringName &p_name, Variant &r_ret) co
 
 void PlaceHolderScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
 	if (script->is_placeholder_fallback_enabled()) {
-		for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
-			p_properties->push_back(E->get());
+		for (const PropertyInfo &E : properties) {
+			p_properties->push_back(E);
 		}
 	} else {
-		for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
-			PropertyInfo pinfo = E->get();
+		for (const PropertyInfo &E : properties) {
+			PropertyInfo pinfo = E;
 			if (!values.has(pinfo.name)) {
 				pinfo.usage |= PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE;
 			}
-			p_properties->push_back(E->get());
+			p_properties->push_back(E);
 		}
 	}
 }
@@ -489,11 +489,11 @@ bool PlaceHolderScriptInstance::has_method(const StringName &p_method) const {
 
 void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const Map<StringName, Variant> &p_values) {
 	Set<StringName> new_values;
-	for (const List<PropertyInfo>::Element *E = p_properties.front(); E; E = E->next()) {
-		StringName n = E->get().name;
+	for (const PropertyInfo &E : p_properties) {
+		StringName n = E.name;
 		new_values.insert(n);
 
-		if (!values.has(n) || values[n].get_type() != E->get().type) {
+		if (!values.has(n) || values[n].get_type() != E.type) {
 			if (p_values.has(n)) {
 				values[n] = p_values[n];
 			}
@@ -511,7 +511,7 @@ void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, c
 		Variant defval;
 		if (script->get_property_default_value(E->key(), defval)) {
 			//remove because it's the same as the default value
-			if (defval == E->get()) {
+			if (defval == E) {
 				to_remove.push_back(E->key());
 			}
 		}
@@ -542,8 +542,8 @@ void PlaceHolderScriptInstance::property_set_fallback(const StringName &p_name,
 		}
 
 		bool found = false;
-		for (const List<PropertyInfo>::Element *F = properties.front(); F; F = F->next()) {
-			if (F->get().name == p_name) {
+		for (const PropertyInfo &F : properties) {
+			if (F.name == p_name) {
 				found = true;
 				break;
 			}

core/object/undo_redo.cpp

@@ -39,12 +39,12 @@ void UndoRedo::_discard_redo() {
 	}
 
 	for (int i = current_action + 1; i < actions.size(); i++) {
-		for (List<Operation>::Element *E = actions.write[i].do_ops.front(); E; E = E->next()) {
-			if (E->get().type == Operation::TYPE_REFERENCE) {
-				if (E->get().ref.is_valid()) {
-					E->get().ref.unref();
+		for (Operation &E : actions.write[i].do_ops) {
+			if (E.type == Operation::TYPE_REFERENCE) {
+				if (E.ref.is_valid()) {
+					E.ref.unref();
 				} else {
-					Object *obj = ObjectDB::get_instance(E->get().object);
+					Object *obj = ObjectDB::get_instance(E.object);
 					if (obj) {
 						memdelete(obj);
 					}
@@ -244,12 +244,12 @@ void UndoRedo::_pop_history_tail() {
 		return;
 	}
 
-	for (List<Operation>::Element *E = actions.write[0].undo_ops.front(); E; E = E->next()) {
-		if (E->get().type == Operation::TYPE_REFERENCE) {
-			if (E->get().ref.is_valid()) {
-				E->get().ref.unref();
+	for (Operation &E : actions.write[0].undo_ops) {
+		if (E.type == Operation::TYPE_REFERENCE) {
+			if (E.ref.is_valid()) {
+				E.ref.unref();
 			} else {
-				Object *obj = ObjectDB::get_instance(E->get().object);
+				Object *obj = ObjectDB::get_instance(E.object);
 				if (obj) {
 					memdelete(obj);
 				}

core/string/optimized_translation.cpp

@@ -66,9 +66,9 @@ void OptimizedTranslation::generate(const Ref<Translation> &p_from) {
 	int total_compression_size = 0;
 	int total_string_size = 0;
 
-	for (List<StringName>::Element *E = keys.front(); E; E = E->next()) {
+	for (StringName &E : keys) {
 		//hash string
-		CharString cs = E->get().operator String().utf8();
+		CharString cs = E.operator String().utf8();
 		uint32_t h = hash(0, cs.get_data());
 		Pair<int, CharString> p;
 		p.first = idx;
@@ -76,7 +76,7 @@ void OptimizedTranslation::generate(const Ref<Translation> &p_from) {
 		buckets.write[h % size].push_back(p);
 
 		//compress string
-		CharString src_s = p_from->get_message(E->get()).operator String().utf8();
+		CharString src_s = p_from->get_message(E).operator String().utf8();
 		CompressedString ps;
 		ps.orig_len = src_s.size();
 		ps.offset = total_compression_size;

core/string/translation.cpp

@@ -841,8 +841,8 @@ Vector<String> Translation::_get_message_list() const {
 void Translation::_set_messages(const Dictionary &p_messages) {
 	List<Variant> keys;
 	p_messages.get_key_list(&keys);
-	for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-		translation_map[E->get()] = p_messages[E->get()];
+	for (Variant &E : keys) {
+		translation_map[E] = p_messages[E];
 	}
 }
 

core/string/translation_po.cpp

@@ -47,8 +47,7 @@ void TranslationPO::print_translation_map() {
 
 	List<StringName> context_l;
 	translation_map.get_key_list(&context_l);
-	for (List<StringName>::Element *E = context_l.front(); E; E = E->next()) {
-		StringName ctx = E->get();
+	for (StringName &ctx : context_l) {
 		file->store_line(" ===== Context: " + String::utf8(String(ctx).utf8()) + " ===== ");
 		const HashMap<StringName, Vector<StringName>> &inner_map = translation_map[ctx];
 
@@ -74,8 +73,7 @@ Dictionary TranslationPO::_get_messages() const {
 
 	List<StringName> context_l;
 	translation_map.get_key_list(&context_l);
-	for (List<StringName>::Element *E = context_l.front(); E; E = E->next()) {
-		StringName ctx = E->get();
+	for (StringName &ctx : context_l) {
 		const HashMap<StringName, Vector<StringName>> &id_str_map = translation_map[ctx];
 
 		Dictionary d2;
@@ -98,8 +96,7 @@ void TranslationPO::_set_messages(const Dictionary &p_messages) {
 
 	List<Variant> context_l;
 	p_messages.get_key_list(&context_l);
-	for (List<Variant>::Element *E = context_l.front(); E; E = E->next()) {
-		StringName ctx = E->get();
+	for (Variant &ctx : context_l) {
 		const Dictionary &id_str_map = p_messages[ctx];
 
 		HashMap<StringName, Vector<StringName>> temp_map;
@@ -121,8 +118,8 @@ Vector<String> TranslationPO::_get_message_list() const {
 	get_message_list(&msgs);
 
 	Vector<String> v;
-	for (List<StringName>::Element *E = msgs.front(); E; E = E->next()) {
-		v.push_back(E->get());
+	for (StringName &E : msgs) {
+		v.push_back(E);
 	}
 
 	return v;
@@ -281,13 +278,13 @@ void TranslationPO::get_message_list(List<StringName> *r_messages) const {
 	List<StringName> context_l;
 	translation_map.get_key_list(&context_l);
 
-	for (List<StringName>::Element *E = context_l.front(); E; E = E->next()) {
-		if (String(E->get()) != "") {
+	for (StringName &E : context_l) {
+		if (String(E) != "") {
 			continue;
 		}
 
 		List<StringName> msgid_l;
-		translation_map[E->get()].get_key_list(&msgid_l);
+		translation_map[E].get_key_list(&msgid_l);
 
 		for (List<StringName>::Element *E2 = msgid_l.front(); E2; E2 = E2->next()) {
 			r_messages->push_back(E2->get());
@@ -300,8 +297,8 @@ int TranslationPO::get_message_count() const {
 	translation_map.get_key_list(&context_l);
 
 	int count = 0;
-	for (List<StringName>::Element *E = context_l.front(); E; E = E->next()) {
-		count += translation_map[E->get()].size();
+	for (StringName &E : context_l) {
+		count += translation_map[E].size();
 	}
 	return count;
 }

core/string/ustring.cpp

@@ -3421,11 +3421,8 @@ String String::format(const Variant &values, String placeholder) const {
 		List<Variant> keys;
 		d.get_key_list(&keys);
 
-		for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-			String key = E->get();
-			String val = d[E->get()];
-
-			new_string = new_string.replace(placeholder.replace("_", key), val);
+		for (Variant &key : keys) {
+			new_string = new_string.replace(placeholder.replace("_", key), d[key]);
 		}
 	} else {
 		ERR_PRINT(String("Invalid type: use Array or Dictionary.").ascii().get_data());

core/variant/callable.cpp

@@ -407,8 +407,8 @@ Array Signal::get_connections() const {
 	object->get_signal_connection_list(name, &connections);
 
 	Array arr;
-	for (List<Object::Connection>::Element *E = connections.front(); E; E = E->next()) {
-		arr.push_back(E->get());
+	for (Object::Connection &E : connections) {
+		arr.push_back(E);
 	}
 	return arr;
 }

core/variant/variant.cpp

@@ -1681,10 +1681,10 @@ String Variant::stringify(List<const void *> &stack) const {
 
 			Vector<_VariantStrPair> pairs;
 
-			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
+			for (Variant &E : keys) {
 				_VariantStrPair sp;
-				sp.key = E->get().stringify(stack);
-				sp.value = d[E->get()].stringify(stack);
+				sp.key = E.stringify(stack);
+				sp.value = d[E].stringify(stack);
 
 				pairs.push_back(sp);
 			}

core/variant/variant_call.cpp

@@ -1088,8 +1088,8 @@ bool Variant::has_builtin_method_return_value(Variant::Type p_type, const String
 
 void Variant::get_builtin_method_list(Variant::Type p_type, List<StringName> *p_list) {
 	ERR_FAIL_INDEX(p_type, Variant::VARIANT_MAX);
-	for (List<StringName>::Element *E = builtin_method_names[p_type].front(); E; E = E->next()) {
-		p_list->push_back(E->get());
+	for (StringName &E : builtin_method_names[p_type]) {
+		p_list->push_back(E);
 	}
 }
 
@@ -1152,12 +1152,12 @@ void Variant::get_method_list(List<MethodInfo> *p_list) const {
 			obj->get_method_list(p_list);
 		}
 	} else {
-		for (List<StringName>::Element *E = builtin_method_names[type].front(); E; E = E->next()) {
-			const VariantBuiltInMethodInfo *method = builtin_method_info[type].lookup_ptr(E->get());
+		for (StringName &E : builtin_method_names[type]) {
+			const VariantBuiltInMethodInfo *method = builtin_method_info[type].lookup_ptr(E);
 			ERR_CONTINUE(!method);
 
 			MethodInfo mi;
-			mi.name = E->get();
+			mi.name = E;
 
 			//return type
 			if (method->has_return_type) {

core/variant/variant_parser.cpp

@@ -1586,8 +1586,8 @@ Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_str
 			List<PropertyInfo> props;
 			obj->get_property_list(&props);
 			bool first = true;
-			for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-				if (E->get().usage & PROPERTY_USAGE_STORAGE || E->get().usage & PROPERTY_USAGE_SCRIPT_VARIABLE) {
+			for (PropertyInfo &E : props) {
+				if (E.usage & PROPERTY_USAGE_STORAGE || E.usage & PROPERTY_USAGE_SCRIPT_VARIABLE) {
 					//must be serialized
 
 					if (first) {
@@ -1596,8 +1596,8 @@ Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_str
 						p_store_string_func(p_store_string_ud, ",");
 					}
 
-					p_store_string_func(p_store_string_ud, "\"" + E->get().name + "\":");
-					write(obj->get(E->get().name), p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud);
+					p_store_string_func(p_store_string_ud, "\"" + E.name + "\":");
+					write(obj->get(E.name), p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud);
 				}
 			}
 
@@ -1615,7 +1615,7 @@ Error VariantWriter::write(const Variant &p_variant, StoreStringFunc p_store_str
 			p_store_string_func(p_store_string_ud, "{\n");
 			for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
 				/*
-				if (!_check_type(dict[E->get()]))
+				if (!_check_type(dict[E]))
 					continue;
 				*/
 				write(E->get(), p_store_string_func, p_store_string_ud, p_encode_res_func, p_encode_res_ud);

core/variant/variant_setget.cpp

@@ -1093,9 +1093,9 @@ void Variant::get_property_list(List<PropertyInfo> *p_list) const {
 		const Dictionary *dic = reinterpret_cast<const Dictionary *>(_data._mem);
 		List<Variant> keys;
 		dic->get_key_list(&keys);
-		for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-			if (E->get().get_type() == Variant::STRING) {
-				p_list->push_back(PropertyInfo(Variant::STRING, E->get()));
+		for (Variant &E : keys) {
+			if (E.get_type() == Variant::STRING) {
+				p_list->push_back(PropertyInfo(Variant::STRING, E));
 			}
 		}
 	} else if (type == OBJECT) {
@@ -1106,10 +1106,10 @@ void Variant::get_property_list(List<PropertyInfo> *p_list) const {
 	} else {
 		List<StringName> members;
 		get_member_list(type, &members);
-		for (List<StringName>::Element *E = members.front(); E; E = E->next()) {
+		for (StringName &E : members) {
 			PropertyInfo pi;
-			pi.name = E->get();
-			pi.type = get_member_type(type, E->get());
+			pi.name = E;
+			pi.type = get_member_type(type, E);
 			p_list->push_back(pi);
 		}
 	}

core/variant/variant_utility.cpp

@@ -1397,8 +1397,8 @@ uint32_t Variant::get_utility_function_hash(const StringName &p_name) {
 }
 
 void Variant::get_utility_function_list(List<StringName> *r_functions) {
-	for (List<StringName>::Element *E = utility_function_name_table.front(); E; E = E->next()) {
-		r_functions->push_back(E->get());
+	for (StringName &E : utility_function_name_table) {
+		r_functions->push_back(E);
 	}
 }
 

drivers/unix/net_socket_posix.cpp

@@ -269,11 +269,11 @@ _FORCE_INLINE_ Error NetSocketPosix::_change_multicast_group(IPAddress p_ip, Str
 			break; // IPv6 uses index.
 		}
 
-		for (List<IPAddress>::Element *F = c.ip_addresses.front(); F; F = F->next()) {
-			if (!F->get().is_ipv4()) {
+		for (IPAddress &F : c.ip_addresses) {
+			if (!F.is_ipv4()) {
 				continue; // Wrong IP type
 			}
-			if_ip = F->get();
+			if_ip = F;
 			break;
 		}
 		break;

drivers/vulkan/rendering_device_vulkan.cpp

@@ -8542,8 +8542,8 @@ void RenderingDeviceVulkan::_free_rids(T &p_owner, const char *p_type) {
 		} else {
 			WARN_PRINT(vformat("%d RIDs of type \"%s\" were leaked.", owned.size(), p_type));
 		}
-		for (List<RID>::Element *E = owned.front(); E; E = E->next()) {
-			free(E->get());
+		for (RID E : owned) {
+			free(E);
 		}
 	}
 }
@@ -8764,13 +8764,13 @@ void RenderingDeviceVulkan::finalize() {
 				List<RID>::Element *N = E->next();
 				if (texture_is_shared(E->get())) {
 					free(E->get());
-					owned.erase(E->get());
+					owned.erase(E);
 				}
 				E = N;
 			}
 			//free non shared second, this will avoid an error trying to free unexisting textures due to dependencies.
-			for (List<RID>::Element *E = owned.front(); E; E = E->next()) {
-				free(E->get());
+			for (RID E : owned) {
+				free(E);
 			}
 		}
 	}

editor/animation_bezier_editor.cpp

@@ -898,8 +898,7 @@ void AnimationBezierTrackEdit::_gui_input(const Ref<InputEvent> &p_event) {
 			}
 
 			// 6-(undo) reinsert overlapped keys
-			for (List<AnimMoveRestore>::Element *E = to_restore.front(); E; E = E->next()) {
-				AnimMoveRestore &amr = E->get();
+			for (AnimMoveRestore &amr : to_restore) {
 				undo_redo->add_undo_method(animation.ptr(), "track_insert_key", amr.track, amr.time, amr.key, 1);
 			}
 
@@ -1091,9 +1090,9 @@ void AnimationBezierTrackEdit::duplicate_selection() {
 	//reselect duplicated
 
 	selection.clear();
-	for (List<Pair<int, float>>::Element *E = new_selection_values.front(); E; E = E->next()) {
-		int track = E->get().first;
-		float time = E->get().second;
+	for (Pair<int, float> &E : new_selection_values) {
+		int track = E.first;
+		float time = E.second;
 
 		int existing_idx = animation->track_find_key(track, time, true);
 

editor/animation_track_editor.cpp

@@ -598,12 +598,12 @@ public:
 					if (ap) {
 						List<StringName> anims;
 						ap->get_animation_list(&anims);
-						for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
+						for (StringName &E : anims) {
 							if (animations != String()) {
 								animations += ",";
 							}
 
-							animations += String(E->get());
+							animations += String(E);
 						}
 					}
 				}
@@ -702,8 +702,8 @@ public:
 
 		for (Map<int, List<float>>::Element *E = key_ofs_map.front(); E; E = E->next()) {
 			int key = 0;
-			for (List<float>::Element *F = E->value().front(); F; F = F->next()) {
-				float key_ofs = F->get();
+			for (float &F : E->value()) {
+				float key_ofs = F;
 				if (from != key_ofs) {
 					key++;
 					continue;
@@ -728,8 +728,8 @@ public:
 		bool change_notify_deserved = false;
 		for (Map<int, List<float>>::Element *E = key_ofs_map.front(); E; E = E->next()) {
 			int track = E->key();
-			for (List<float>::Element *F = E->value().front(); F; F = F->next()) {
-				float key_ofs = F->get();
+			for (float &F : E->value()) {
+				float key_ofs = F;
 				int key = animation->track_find_key(track, key_ofs, true);
 				ERR_FAIL_COND_V(key == -1, false);
 
@@ -986,8 +986,8 @@ public:
 	bool _get(const StringName &p_name, Variant &r_ret) const {
 		for (Map<int, List<float>>::Element *E = key_ofs_map.front(); E; E = E->next()) {
 			int track = E->key();
-			for (List<float>::Element *F = E->value().front(); F; F = F->next()) {
-				float key_ofs = F->get();
+			for (float &F : E->value()) {
+				float key_ofs = F;
 				int key = animation->track_find_key(track, key_ofs, true);
 				ERR_CONTINUE(key == -1);
 
@@ -1137,8 +1137,8 @@ public:
 					same_key_type = false;
 				}
 
-				for (List<float>::Element *F = E->value().front(); F; F = F->next()) {
-					int key = animation->track_find_key(track, F->get(), true);
+				for (float &F : E->value()) {
+					int key = animation->track_find_key(track, F, true);
 					ERR_FAIL_COND(key == -1);
 					if (first_key < 0) {
 						first_key = key;
@@ -3356,9 +3356,9 @@ void AnimationTrackEditor::_query_insert(const InsertData &p_id) {
 	}
 	insert_frame = Engine::get_singleton()->get_frames_drawn();
 
-	for (List<InsertData>::Element *E = insert_data.front(); E; E = E->next()) {
+	for (InsertData &E : insert_data) {
 		//prevent insertion of multiple tracks
-		if (E->get().path == p_id.path) {
+		if (E.path == p_id.path) {
 			return; //already inserted a track for this on this frame
 		}
 	}
@@ -3843,9 +3843,9 @@ PropertyInfo AnimationTrackEditor::_find_hint_for_track(int p_idx, NodePath &r_b
 	List<PropertyInfo> pinfo;
 	property_info_base.get_property_list(&pinfo);
 
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		if (E->get().name == leftover_path[leftover_path.size() - 1]) {
-			return E->get();
+	for (PropertyInfo &E : pinfo) {
+		if (E.name == leftover_path[leftover_path.size() - 1]) {
+			return E;
 		}
 	}
 
@@ -4675,21 +4675,21 @@ void AnimationTrackEditor::_add_method_key(const String &p_method) {
 	List<MethodInfo> minfo;
 	base->get_method_list(&minfo);
 
-	for (List<MethodInfo>::Element *E = minfo.front(); E; E = E->next()) {
-		if (E->get().name == p_method) {
+	for (MethodInfo &E : minfo) {
+		if (E.name == p_method) {
 			Dictionary d;
 			d["method"] = p_method;
 			Array params;
-			int first_defarg = E->get().arguments.size() - E->get().default_arguments.size();
+			int first_defarg = E.arguments.size() - E.default_arguments.size();
 
-			for (int i = 0; i < E->get().arguments.size(); i++) {
+			for (int i = 0; i < E.arguments.size(); i++) {
 				if (i >= first_defarg) {
-					Variant arg = E->get().default_arguments[i - first_defarg];
+					Variant arg = E.default_arguments[i - first_defarg];
 					params.push_back(arg);
 				} else {
 					Callable::CallError ce;
 					Variant arg;
-					Variant::construct(E->get().arguments[i].type, arg, nullptr, 0, ce);
+					Variant::construct(E.arguments[i].type, arg, nullptr, 0, ce);
 					params.push_back(arg);
 				}
 			}
@@ -4936,8 +4936,7 @@ void AnimationTrackEditor::_move_selection_commit() {
 	}
 
 	// 6 - (undo) reinsert overlapped keys
-	for (List<_AnimMoveRestore>::Element *E = to_restore.front(); E; E = E->next()) {
-		_AnimMoveRestore &amr = E->get();
+	for (_AnimMoveRestore &amr : to_restore) {
 		undo_redo->add_undo_method(animation.ptr(), "track_insert_key", amr.track, amr.time, amr.key, amr.transition);
 	}
 
@@ -5151,9 +5150,9 @@ void AnimationTrackEditor::_anim_duplicate_keys(bool transpose) {
 		//reselect duplicated
 
 		Map<SelectedKey, KeyInfo> new_selection;
-		for (List<Pair<int, float>>::Element *E = new_selection_values.front(); E; E = E->next()) {
-			int track = E->get().first;
-			float time = E->get().second;
+		for (Pair<int, float> &E : new_selection_values) {
+			int track = E.first;
+			float time = E.second;
 
 			int existing_idx = animation->track_find_key(track, time, true);
 
@@ -5462,8 +5461,7 @@ void AnimationTrackEditor::_edit_menu_pressed(int p_option) {
 			}
 
 			// 6-(undo) reinsert overlapped keys
-			for (List<_AnimMoveRestore>::Element *E = to_restore.front(); E; E = E->next()) {
-				_AnimMoveRestore &amr = E->get();
+			for (_AnimMoveRestore &amr : to_restore) {
 				undo_redo->add_undo_method(animation.ptr(), "track_insert_key", amr.track, amr.time, amr.key, amr.transition);
 			}
 
@@ -5543,8 +5541,8 @@ void AnimationTrackEditor::_edit_menu_pressed(int p_option) {
 			if (cleanup_all->is_pressed()) {
 				List<StringName> names;
 				AnimationPlayerEditor::singleton->get_player()->get_animation_list(&names);
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					_cleanup_animation(AnimationPlayerEditor::singleton->get_player()->get_animation(E->get()));
+				for (StringName &E : names) {
+					_cleanup_animation(AnimationPlayerEditor::singleton->get_player()->get_animation(E));
 				}
 			} else {
 				_cleanup_animation(animation);

editor/code_editor.cpp

@@ -854,9 +854,7 @@ void CodeTextEditor::_complete_request() {
 		return;
 	}
 
-	for (List<ScriptCodeCompletionOption>::Element *E = entries.front(); E; E = E->next()) {
-		ScriptCodeCompletionOption &e = E->get();
-
+	for (ScriptCodeCompletionOption &e : entries) {
 		Color font_color = completion_font_color;
 		if (e.insert_text.begins_with("\"") || e.insert_text.begins_with("\'")) {
 			font_color = completion_string_color;

editor/connections_dialog.cpp

@@ -944,9 +944,7 @@ void ConnectionsDock::update_tree() {
 			node_signals2.sort();
 		}
 
-		for (List<MethodInfo>::Element *E = node_signals2.front(); E; E = E->next()) {
-			MethodInfo &mi = E->get();
-
+		for (MethodInfo &mi : node_signals2) {
 			StringName signal_name = mi.name;
 			String signaldesc = "(";
 			PackedStringArray argnames;
@@ -1025,8 +1023,8 @@ void ConnectionsDock::update_tree() {
 			List<Object::Connection> connections;
 			selectedNode->get_signal_connection_list(signal_name, &connections);
 
-			for (List<Object::Connection>::Element *F = connections.front(); F; F = F->next()) {
-				Connection cn = F->get();
+			for (Object::Connection &F : connections) {
+				Connection cn = F;
 				if (!(cn.flags & CONNECT_PERSIST)) {
 					continue;
 				}

editor/create_dialog.cpp

@@ -447,8 +447,7 @@ Variant CreateDialog::instance_selected() {
 	List<PropertyInfo> pinfo;
 	((Object *)obj)->get_property_list(&pinfo);
 
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		PropertyInfo pi = E->get();
+	for (PropertyInfo &pi : pinfo) {
 		if (pi.type == Variant::OBJECT && pi.usage & PROPERTY_USAGE_EDITOR_INSTANTIATE_OBJECT) {
 			Object *prop = ClassDB::instantiate(pi.class_name);
 			((Object *)obj)->set(pi.name, prop);

editor/debugger/editor_debugger_inspector.cpp

@@ -56,8 +56,8 @@ bool EditorDebuggerRemoteObject::_get(const StringName &p_name, Variant &r_ret)
 
 void EditorDebuggerRemoteObject::_get_property_list(List<PropertyInfo> *p_list) const {
 	p_list->clear(); //sorry, no want category
-	for (const List<PropertyInfo>::Element *E = prop_list.front(); E; E = E->next()) {
-		p_list->push_back(E->get());
+	for (const PropertyInfo &E : prop_list) {
+		p_list->push_back(E);
 	}
 }
 

editor/debugger/editor_visual_profiler.cpp

@@ -365,13 +365,13 @@ void EditorVisualProfiler::_update_frame(bool p_focus_selected) {
 		}
 		TreeItem *category = variables->create_item(parent);
 
-		for (List<TreeItem *>::Element *E = stack.front(); E; E = E->next()) {
-			float total_cpu = E->get()->get_metadata(1);
-			float total_gpu = E->get()->get_metadata(2);
+		for (TreeItem *E : stack) {
+			float total_cpu = E->get_metadata(1);
+			float total_gpu = E->get_metadata(2);
 			total_cpu += cpu_time;
 			total_gpu += gpu_time;
-			E->get()->set_metadata(1, cpu_time);
-			E->get()->set_metadata(2, gpu_time);
+			E->set_metadata(1, cpu_time);
+			E->set_metadata(2, gpu_time);
 		}
 
 		category->set_icon(0, track_icon);
@@ -392,11 +392,11 @@ void EditorVisualProfiler::_update_frame(bool p_focus_selected) {
 		}
 	}
 
-	for (List<TreeItem *>::Element *E = categories.front(); E; E = E->next()) {
-		float total_cpu = E->get()->get_metadata(1);
-		float total_gpu = E->get()->get_metadata(2);
-		E->get()->set_text(1, _get_time_as_text(total_cpu));
-		E->get()->set_text(2, _get_time_as_text(total_gpu));
+	for (TreeItem *E : categories) {
+		float total_cpu = E->get_metadata(1);
+		float total_gpu = E->get_metadata(2);
+		E->set_text(1, _get_time_as_text(total_cpu));
+		E->set_text(2, _get_time_as_text(total_gpu));
 	}
 
 	if (ensure_selected) {

editor/debugger/script_editor_debugger.cpp

@@ -347,13 +347,13 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, const Array &p_da
 
 		uint64_t total = 0;
 
-		for (List<DebuggerMarshalls::ResourceInfo>::Element *E = usage.infos.front(); E; E = E->next()) {
+		for (DebuggerMarshalls::ResourceInfo &E : usage.infos) {
 			TreeItem *it = vmem_tree->create_item(root);
-			String type = E->get().type;
-			int bytes = E->get().vram;
-			it->set_text(0, E->get().path);
+			String type = E.type;
+			int bytes = E.vram;
+			it->set_text(0, E.path);
 			it->set_text(1, type);
-			it->set_text(2, E->get().format);
+			it->set_text(2, E.format);
 			it->set_text(3, String::humanize_size(bytes));
 			total += bytes;
 

editor/dependency_editor.cpp

@@ -55,8 +55,8 @@ void DependencyEditor::_load_pressed(Object *p_item, int p_cell, int p_button) {
 	search->clear_filters();
 	List<String> ext;
 	ResourceLoader::get_recognized_extensions_for_type(ti->get_metadata(0), &ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		search->add_filter("*" + E->get());
+	for (String &E : ext) {
+		search->add_filter("*" + E);
 	}
 	search->popup_file_dialog();
 }
@@ -120,13 +120,13 @@ void DependencyEditor::_fix_all() {
 
 	Map<String, Map<String, String>> candidates;
 
-	for (List<String>::Element *E = missing.front(); E; E = E->next()) {
-		String base = E->get().get_file();
+	for (String &E : missing) {
+		String base = E.get_file();
 		if (!candidates.has(base)) {
 			candidates[base] = Map<String, String>();
 		}
 
-		candidates[base][E->get()] = "";
+		candidates[base][E] = "";
 	}
 
 	_fix_and_find(EditorFileSystem::get_singleton()->get_filesystem(), candidates);
@@ -166,10 +166,8 @@ void DependencyEditor::_update_list() {
 
 	bool broken = false;
 
-	for (List<String>::Element *E = deps.front(); E; E = E->next()) {
+	for (String &n : deps) {
 		TreeItem *item = tree->create_item(root);
-
-		String n = E->get();
 		String path;
 		String type;
 
@@ -741,9 +739,9 @@ void OrphanResourcesDialog::_find_to_delete(TreeItem *p_item, List<String> &path
 
 void OrphanResourcesDialog::_delete_confirm() {
 	DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
-	for (List<String>::Element *E = paths.front(); E; E = E->next()) {
-		da->remove(E->get());
-		EditorFileSystem::get_singleton()->update_file(E->get());
+	for (String &E : paths) {
+		da->remove(E);
+		EditorFileSystem::get_singleton()->update_file(E);
 	}
 	memdelete(da);
 	refresh();

editor/doc_tools.cpp

@@ -266,20 +266,20 @@ void DocTools::generate(bool p_basic_types) {
 		}
 
 		List<PropertyInfo>::Element *EO = own_properties.front();
-		for (List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
+		for (PropertyInfo &E : properties) {
 			bool inherited = EO == nullptr;
-			if (EO && EO->get() == E->get()) {
+			if (EO && EO->get() == E) {
 				inherited = false;
 				EO = EO->next();
 			}
 
-			if (E->get().usage & PROPERTY_USAGE_GROUP || E->get().usage & PROPERTY_USAGE_SUBGROUP || E->get().usage & PROPERTY_USAGE_CATEGORY || E->get().usage & PROPERTY_USAGE_INTERNAL) {
+			if (E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP || E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_INTERNAL) {
 				continue;
 			}
 
 			DocData::PropertyDoc prop;
 
-			prop.name = E->get().name;
+			prop.name = E.name;
 
 			prop.overridden = inherited;
 
@@ -288,20 +288,20 @@ void DocTools::generate(bool p_basic_types) {
 
 			if (name == "ProjectSettings") {
 				// Special case for project settings, so that settings are not taken from the current project's settings
-				if (E->get().name == "script" || !ProjectSettings::get_singleton()->is_builtin_setting(E->get().name)) {
+				if (E.name == "script" || !ProjectSettings::get_singleton()->is_builtin_setting(E.name)) {
 					continue;
 				}
-				if (E->get().usage & PROPERTY_USAGE_EDITOR) {
-					if (!ProjectSettings::get_singleton()->get_ignore_value_in_docs(E->get().name)) {
-						default_value = ProjectSettings::get_singleton()->property_get_revert(E->get().name);
+				if (E.usage & PROPERTY_USAGE_EDITOR) {
+					if (!ProjectSettings::get_singleton()->get_ignore_value_in_docs(E.name)) {
+						default_value = ProjectSettings::get_singleton()->property_get_revert(E.name);
 						default_value_valid = true;
 					}
 				}
 			} else {
-				default_value = get_documentation_default_value(name, E->get().name, default_value_valid);
+				default_value = get_documentation_default_value(name, E.name, default_value_valid);
 				if (inherited) {
 					bool base_default_value_valid = false;
-					Variant base_default_value = get_documentation_default_value(ClassDB::get_parent_class(name), E->get().name, base_default_value_valid);
+					Variant base_default_value = get_documentation_default_value(ClassDB::get_parent_class(name), E.name, base_default_value_valid);
 					if (!default_value_valid || !base_default_value_valid || default_value == base_default_value) {
 						continue;
 					}
@@ -309,13 +309,13 @@ void DocTools::generate(bool p_basic_types) {
 			}
 
 			//used to track uninitialized values using valgrind
-			//print_line("getting default value for " + String(name) + "." + String(E->get().name));
+			//print_line("getting default value for " + String(name) + "." + String(E.name));
 			if (default_value_valid && default_value.get_type() != Variant::OBJECT) {
 				prop.default_value = default_value.get_construct_string().replace("\n", "");
 			}
 
-			StringName setter = ClassDB::get_property_setter(name, E->get().name);
-			StringName getter = ClassDB::get_property_getter(name, E->get().name);
+			StringName setter = ClassDB::get_property_setter(name, E.name);
+			StringName getter = ClassDB::get_property_getter(name, E.name);
 
 			prop.setter = setter;
 			prop.getter = getter;
@@ -353,10 +353,10 @@ void DocTools::generate(bool p_basic_types) {
 			}
 
 			if (!found_type) {
-				if (E->get().type == Variant::OBJECT && E->get().hint == PROPERTY_HINT_RESOURCE_TYPE) {
-					prop.type = E->get().hint_string;
+				if (E.type == Variant::OBJECT && E.hint == PROPERTY_HINT_RESOURCE_TYPE) {
+					prop.type = E.hint_string;
 				} else {
-					prop.type = Variant::get_type_name(E->get().type);
+					prop.type = Variant::get_type_name(E.type);
 				}
 			}
 
@@ -367,62 +367,62 @@ void DocTools::generate(bool p_basic_types) {
 		ClassDB::get_method_list(name, &method_list, true);
 		method_list.sort();
 
-		for (List<MethodInfo>::Element *E = method_list.front(); E; E = E->next()) {
-			if (E->get().name == "" || (E->get().name[0] == '_' && !(E->get().flags & METHOD_FLAG_VIRTUAL))) {
+		for (MethodInfo &E : method_list) {
+			if (E.name == "" || (E.name[0] == '_' && !(E.flags & METHOD_FLAG_VIRTUAL))) {
 				continue; //hidden, don't count
 			}
 
-			if (skip_setter_getter_methods && setters_getters.has(E->get().name)) {
+			if (skip_setter_getter_methods && setters_getters.has(E.name)) {
 				// Don't skip parametric setters and getters, i.e. method which require
 				// one or more parameters to define what property should be set or retrieved.
 				// E.g. CPUParticles3D::set_param(Parameter param, float value).
-				if (E->get().arguments.size() == 0 /* getter */ || (E->get().arguments.size() == 1 && E->get().return_val.type == Variant::NIL /* setter */)) {
+				if (E.arguments.size() == 0 /* getter */ || (E.arguments.size() == 1 && E.return_val.type == Variant::NIL /* setter */)) {
 					continue;
 				}
 			}
 
 			DocData::MethodDoc method;
 
-			method.name = E->get().name;
+			method.name = E.name;
 
-			if (E->get().flags & METHOD_FLAG_VIRTUAL) {
+			if (E.flags & METHOD_FLAG_VIRTUAL) {
 				method.qualifiers = "virtual";
 			}
 
-			if (E->get().flags & METHOD_FLAG_CONST) {
+			if (E.flags & METHOD_FLAG_CONST) {
 				if (method.qualifiers != "") {
 					method.qualifiers += " ";
 				}
 				method.qualifiers += "const";
 			}
 
-			if (E->get().flags & METHOD_FLAG_VARARG) {
+			if (E.flags & METHOD_FLAG_VARARG) {
 				if (method.qualifiers != "") {
 					method.qualifiers += " ";
 				}
 				method.qualifiers += "vararg";
 			}
 
-			if (E->get().flags & METHOD_FLAG_STATIC) {
+			if (E.flags & METHOD_FLAG_STATIC) {
 				if (method.qualifiers != "") {
 					method.qualifiers += " ";
 				}
 				method.qualifiers += "static";
 			}
 
-			for (int i = -1; i < E->get().arguments.size(); i++) {
+			for (int i = -1; i < E.arguments.size(); i++) {
 				if (i == -1) {
 #ifdef DEBUG_METHODS_ENABLED
-					DocData::return_doc_from_retinfo(method, E->get().return_val);
+					DocData::return_doc_from_retinfo(method, E.return_val);
 #endif
 				} else {
-					const PropertyInfo &arginfo = E->get().arguments[i];
+					const PropertyInfo &arginfo = E.arguments[i];
 					DocData::ArgumentDoc argument;
 					DocData::argument_doc_from_arginfo(argument, arginfo);
 
-					int darg_idx = i - (E->get().arguments.size() - E->get().default_arguments.size());
+					int darg_idx = i - (E.arguments.size() - E.default_arguments.size());
 					if (darg_idx >= 0) {
-						Variant default_arg = E->get().default_arguments[darg_idx];
+						Variant default_arg = E.default_arguments[darg_idx];
 						argument.default_value = default_arg.get_construct_string();
 					}
 
@@ -455,12 +455,12 @@ void DocTools::generate(bool p_basic_types) {
 		List<String> constant_list;
 		ClassDB::get_integer_constant_list(name, &constant_list, true);
 
-		for (List<String>::Element *E = constant_list.front(); E; E = E->next()) {
+		for (String &E : constant_list) {
 			DocData::ConstantDoc constant;
-			constant.name = E->get();
-			constant.value = itos(ClassDB::get_integer_constant(name, E->get()));
+			constant.name = E;
+			constant.value = itos(ClassDB::get_integer_constant(name, E));
 			constant.is_value_valid = true;
-			constant.enumeration = ClassDB::get_integer_constant_enum(name, E->get());
+			constant.enumeration = ClassDB::get_integer_constant_enum(name, E);
 			c.constants.push_back(constant);
 		}
 
@@ -469,53 +469,53 @@ void DocTools::generate(bool p_basic_types) {
 		{
 			List<StringName> l;
 			Theme::get_default()->get_constant_list(cname, &l);
-			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
+			for (StringName &E : l) {
 				DocData::PropertyDoc pd;
-				pd.name = E->get();
+				pd.name = E;
 				pd.type = "int";
-				pd.default_value = itos(Theme::get_default()->get_constant(E->get(), cname));
+				pd.default_value = itos(Theme::get_default()->get_constant(E, cname));
 				c.theme_properties.push_back(pd);
 			}
 
 			l.clear();
 			Theme::get_default()->get_color_list(cname, &l);
-			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
+			for (StringName &E : l) {
 				DocData::PropertyDoc pd;
-				pd.name = E->get();
+				pd.name = E;
 				pd.type = "Color";
-				pd.default_value = Variant(Theme::get_default()->get_color(E->get(), cname)).get_construct_string();
+				pd.default_value = Variant(Theme::get_default()->get_color(E, cname)).get_construct_string();
 				c.theme_properties.push_back(pd);
 			}
 
 			l.clear();
 			Theme::get_default()->get_icon_list(cname, &l);
-			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
+			for (StringName &E : l) {
 				DocData::PropertyDoc pd;
-				pd.name = E->get();
+				pd.name = E;
 				pd.type = "Texture2D";
 				c.theme_properties.push_back(pd);
 			}
 			l.clear();
 			Theme::get_default()->get_font_list(cname, &l);
-			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
+			for (StringName &E : l) {
 				DocData::PropertyDoc pd;
-				pd.name = E->get();
+				pd.name = E;
 				pd.type = "Font";
 				c.theme_properties.push_back(pd);
 			}
 			l.clear();
 			Theme::get_default()->get_font_size_list(cname, &l);
-			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
+			for (StringName &E : l) {
 				DocData::PropertyDoc pd;
-				pd.name = E->get();
+				pd.name = E;
 				pd.type = "int";
 				c.theme_properties.push_back(pd);
 			}
 			l.clear();
 			Theme::get_default()->get_stylebox_list(cname, &l);
-			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
+			for (StringName &E : l) {
 				DocData::PropertyDoc pd;
-				pd.name = E->get();
+				pd.name = E;
 				pd.type = "StyleBox";
 				c.theme_properties.push_back(pd);
 			}
@@ -621,8 +621,7 @@ void DocTools::generate(bool p_basic_types) {
 			method_list.push_back(mi);
 		}
 
-		for (List<MethodInfo>::Element *E = method_list.front(); E; E = E->next()) {
-			MethodInfo &mi = E->get();
+		for (MethodInfo &mi : method_list) {
 			DocData::MethodDoc method;
 
 			method.name = mi.name;
@@ -675,8 +674,7 @@ void DocTools::generate(bool p_basic_types) {
 
 		List<PropertyInfo> properties;
 		v.get_property_list(&properties);
-		for (List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
-			PropertyInfo pi = E->get();
+		for (PropertyInfo &pi : properties) {
 			DocData::PropertyDoc property;
 			property.name = pi.name;
 			property.type = Variant::get_type_name(pi.type);
@@ -688,10 +686,10 @@ void DocTools::generate(bool p_basic_types) {
 		List<StringName> constants;
 		Variant::get_constants_for_type(Variant::Type(i), &constants);
 
-		for (List<StringName>::Element *E = constants.front(); E; E = E->next()) {
+		for (StringName &E : constants) {
 			DocData::ConstantDoc constant;
-			constant.name = E->get();
-			Variant value = Variant::get_constant_value(Variant::Type(i), E->get());
+			constant.name = E;
+			Variant value = Variant::get_constant_value(Variant::Type(i), E);
 			constant.value = value.get_type() == Variant::INT ? itos(value) : value.get_construct_string();
 			constant.is_value_valid = true;
 			c.constants.push_back(constant);
@@ -723,9 +721,8 @@ void DocTools::generate(bool p_basic_types) {
 		Engine::get_singleton()->get_singletons(&singletons);
 
 		//servers (this is kind of hackish)
-		for (List<Engine::Singleton>::Element *E = singletons.front(); E; E = E->next()) {
+		for (Engine::Singleton &s : singletons) {
 			DocData::PropertyDoc pd;
-			Engine::Singleton &s = E->get();
 			if (!s.ptr) {
 				continue;
 			}
@@ -743,13 +740,13 @@ void DocTools::generate(bool p_basic_types) {
 		List<StringName> utility_functions;
 		Variant::get_utility_function_list(&utility_functions);
 		utility_functions.sort_custom<StringName::AlphCompare>();
-		for (List<StringName>::Element *E = utility_functions.front(); E; E = E->next()) {
+		for (StringName &E : utility_functions) {
 			DocData::MethodDoc md;
-			md.name = E->get();
+			md.name = E;
 			//return
-			if (Variant::has_utility_function_return_value(E->get())) {
+			if (Variant::has_utility_function_return_value(E)) {
 				PropertyInfo pi;
-				pi.type = Variant::get_utility_function_return_type(E->get());
+				pi.type = Variant::get_utility_function_return_type(E);
 				if (pi.type == Variant::NIL) {
 					pi.usage = PROPERTY_USAGE_NIL_IS_VARIANT;
 				}
@@ -758,13 +755,13 @@ void DocTools::generate(bool p_basic_types) {
 				md.return_type = ad.type;
 			}
 
-			if (Variant::is_utility_function_vararg(E->get())) {
+			if (Variant::is_utility_function_vararg(E)) {
 				md.qualifiers = "vararg";
 			} else {
-				for (int i = 0; i < Variant::get_utility_function_argument_count(E->get()); i++) {
+				for (int i = 0; i < Variant::get_utility_function_argument_count(E); i++) {
 					PropertyInfo pi;
-					pi.type = Variant::get_utility_function_argument_type(E->get(), i);
-					pi.name = Variant::get_utility_function_argument_name(E->get(), i);
+					pi.type = Variant::get_utility_function_argument_type(E, i);
+					pi.name = Variant::get_utility_function_argument_name(E, i);
 					if (pi.type == Variant::NIL) {
 						pi.usage = PROPERTY_USAGE_NIL_IS_VARIANT;
 					}
@@ -793,8 +790,7 @@ void DocTools::generate(bool p_basic_types) {
 			List<MethodInfo> minfo;
 			lang->get_public_functions(&minfo);
 
-			for (List<MethodInfo>::Element *E = minfo.front(); E; E = E->next()) {
-				MethodInfo &mi = E->get();
+			for (MethodInfo &mi : minfo) {
 				DocData::MethodDoc md;
 				md.name = mi.name;
 
@@ -813,7 +809,7 @@ void DocTools::generate(bool p_basic_types) {
 
 					int darg_idx = j - (mi.arguments.size() - mi.default_arguments.size());
 					if (darg_idx >= 0) {
-						Variant default_arg = E->get().default_arguments[darg_idx];
+						Variant default_arg = mi.default_arguments[darg_idx];
 						ad.default_value = default_arg.get_construct_string();
 					}
 
@@ -827,10 +823,10 @@ void DocTools::generate(bool p_basic_types) {
 			List<Pair<String, Variant>> cinfo;
 			lang->get_public_constants(&cinfo);
 
-			for (List<Pair<String, Variant>>::Element *E = cinfo.front(); E; E = E->next()) {
+			for (Pair<String, Variant> &E : cinfo) {
 				DocData::ConstantDoc cd;
-				cd.name = E->get().first;
-				cd.value = E->get().second;
+				cd.name = E.first;
+				cd.value = E.second;
 				cd.is_value_valid = true;
 				c.constants.push_back(cd);
 			}

editor/editor_audio_buses.cpp

@@ -920,15 +920,15 @@ EditorAudioBus::EditorAudioBus(EditorAudioBuses *p_buses, bool p_is_master) {
 	List<StringName> effects;
 	ClassDB::get_inheriters_from_class("AudioEffect", &effects);
 	effects.sort_custom<StringName::AlphCompare>();
-	for (List<StringName>::Element *E = effects.front(); E; E = E->next()) {
-		if (!ClassDB::can_instantiate(E->get())) {
+	for (StringName &E : effects) {
+		if (!ClassDB::can_instantiate(E)) {
 			continue;
 		}
 
-		Ref<Texture2D> icon = EditorNode::get_singleton()->get_class_icon(E->get());
-		String name = E->get().operator String().replace("AudioEffect", "");
+		Ref<Texture2D> icon = EditorNode::get_singleton()->get_class_icon(E);
+		String name = E.operator String().replace("AudioEffect", "");
 		effect_options->add_item(name);
-		effect_options->set_item_metadata(effect_options->get_item_count() - 1, E->get());
+		effect_options->set_item_metadata(effect_options->get_item_count() - 1, E);
 		effect_options->set_item_icon(effect_options->get_item_count() - 1, icon);
 	}
 
@@ -1331,8 +1331,8 @@ EditorAudioBuses::EditorAudioBuses() {
 	file_dialog = memnew(EditorFileDialog);
 	List<String> ext;
 	ResourceLoader::get_recognized_extensions_for_type("AudioBusLayout", &ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		file_dialog->add_filter("*." + E->get() + "; Audio Bus Layout");
+	for (String &E : ext) {
+		file_dialog->add_filter("*." + E + "; Audio Bus Layout");
 	}
 	add_child(file_dialog);
 	file_dialog->connect("file_selected", callable_mp(this, &EditorAudioBuses::_file_dialog_callback));

editor/editor_autoload_settings.cpp

@@ -46,12 +46,11 @@ void EditorAutoloadSettings::_notification(int p_what) {
 		ResourceLoader::get_recognized_extensions_for_type("Script", &afn);
 		ResourceLoader::get_recognized_extensions_for_type("PackedScene", &afn);
 
-		for (List<String>::Element *E = afn.front(); E; E = E->next()) {
-			file_dialog->add_filter("*." + E->get());
+		for (String &E : afn) {
+			file_dialog->add_filter("*." + E);
 		}
 
-		for (List<AutoLoadInfo>::Element *E = autoload_cache.front(); E; E = E->next()) {
-			AutoLoadInfo &info = E->get();
+		for (AutoLoadInfo &info : autoload_cache) {
 			if (info.node && info.in_editor) {
 				get_tree()->get_root()->call_deferred(SNAME("add_child"), info.node);
 			}
@@ -102,8 +101,8 @@ bool EditorAutoloadSettings::_autoload_name_is_valid(const String &p_name, Strin
 	for (int i = 0; i < ScriptServer::get_language_count(); i++) {
 		List<String> keywords;
 		ScriptServer::get_language(i)->get_reserved_words(&keywords);
-		for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
-			if (E->get() == p_name) {
+		for (String &E : keywords) {
+			if (E == p_name) {
 				if (r_error) {
 					*r_error = TTR("Invalid name.") + "\n" + TTR("Keyword cannot be used as an autoload name.");
 				}
@@ -379,8 +378,7 @@ void EditorAutoloadSettings::update_autoload() {
 	Map<String, AutoLoadInfo> to_remove;
 	List<AutoLoadInfo *> to_add;
 
-	for (List<AutoLoadInfo>::Element *E = autoload_cache.front(); E; E = E->next()) {
-		AutoLoadInfo &info = E->get();
+	for (AutoLoadInfo &info : autoload_cache) {
 		to_remove.insert(info.name, info);
 	}
 
@@ -392,9 +390,7 @@ void EditorAutoloadSettings::update_autoload() {
 	List<PropertyInfo> props;
 	ProjectSettings::get_singleton()->get_property_list(&props);
 
-	for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-		const PropertyInfo &pi = E->get();
-
+	for (PropertyInfo &pi : props) {
 		if (!pi.name.begins_with("autoload/")) {
 			continue;
 		}
@@ -483,9 +479,7 @@ void EditorAutoloadSettings::update_autoload() {
 
 	// Load new/changed autoloads
 	List<Node *> nodes_to_add;
-	for (List<AutoLoadInfo *>::Element *E = to_add.front(); E; E = E->next()) {
-		AutoLoadInfo *info = E->get();
-
+	for (AutoLoadInfo *info : to_add) {
 		info->node = _create_autoload(info->path);
 
 		ERR_CONTINUE(!info->node);
@@ -518,8 +512,8 @@ void EditorAutoloadSettings::update_autoload() {
 		}
 	}
 
-	for (List<Node *>::Element *E = nodes_to_add.front(); E; E = E->next()) {
-		get_tree()->get_root()->add_child(E->get());
+	for (Node *E : nodes_to_add) {
+		get_tree()->get_root()->add_child(E);
 	}
 
 	updating_autoload = false;
@@ -649,8 +643,8 @@ void EditorAutoloadSettings::drop_data_fw(const Point2 &p_point, const Variant &
 
 	int i = 0;
 
-	for (List<AutoLoadInfo>::Element *F = autoload_cache.front(); F; F = F->next()) {
-		orders.write[i++] = F->get().order;
+	for (AutoLoadInfo &F : autoload_cache) {
+		orders.write[i++] = F.order;
 	}
 
 	orders.sort();
@@ -661,9 +655,9 @@ void EditorAutoloadSettings::drop_data_fw(const Point2 &p_point, const Variant &
 
 	i = 0;
 
-	for (List<AutoLoadInfo>::Element *F = autoload_cache.front(); F; F = F->next()) {
-		undo_redo->add_do_method(ProjectSettings::get_singleton(), "set_order", "autoload/" + F->get().name, orders[i++]);
-		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", "autoload/" + F->get().name, F->get().order);
+	for (AutoLoadInfo &F : autoload_cache) {
+		undo_redo->add_do_method(ProjectSettings::get_singleton(), "set_order", "autoload/" + F.name, orders[i++]);
+		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", "autoload/" + F.name, F.order);
 	}
 
 	orders.clear();
@@ -764,9 +758,7 @@ EditorAutoloadSettings::EditorAutoloadSettings() {
 	// Make first cache
 	List<PropertyInfo> props;
 	ProjectSettings::get_singleton()->get_property_list(&props);
-	for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-		const PropertyInfo &pi = E->get();
-
+	for (PropertyInfo &pi : props) {
 		if (!pi.name.begins_with("autoload/")) {
 			continue;
 		}
@@ -799,9 +791,7 @@ EditorAutoloadSettings::EditorAutoloadSettings() {
 		autoload_cache.push_back(info);
 	}
 
-	for (List<AutoLoadInfo>::Element *E = autoload_cache.front(); E; E = E->next()) {
-		AutoLoadInfo &info = E->get();
-
+	for (AutoLoadInfo &info : autoload_cache) {
 		info.node = _create_autoload(info.path);
 
 		if (info.node) {
@@ -904,8 +894,7 @@ EditorAutoloadSettings::EditorAutoloadSettings() {
 }
 
 EditorAutoloadSettings::~EditorAutoloadSettings() {
-	for (List<AutoLoadInfo>::Element *E = autoload_cache.front(); E; E = E->next()) {
-		AutoLoadInfo &info = E->get();
+	for (AutoLoadInfo &info : autoload_cache) {
 		if (info.node && !info.in_editor) {
 			memdelete(info.node);
 		}

editor/editor_data.cpp

@@ -299,13 +299,13 @@ void EditorData::copy_object_params(Object *p_object) {
 	List<PropertyInfo> pinfo;
 	p_object->get_property_list(&pinfo);
 
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_EDITOR) || E->get().name == "script" || E->get().name == "scripts") {
+	for (PropertyInfo &E : pinfo) {
+		if (!(E.usage & PROPERTY_USAGE_EDITOR) || E.name == "script" || E.name == "scripts") {
 			continue;
 		}
 
 		PropertyData pd;
-		pd.name = E->get().name;
+		pd.name = E.name;
 		pd.value = p_object->get(pd.name);
 		clipboard.push_back(pd);
 	}
@@ -404,9 +404,9 @@ void EditorData::restore_editor_global_states() {
 void EditorData::paste_object_params(Object *p_object) {
 	ERR_FAIL_NULL(p_object);
 	undo_redo.create_action(TTR("Paste Params"));
-	for (List<PropertyData>::Element *E = clipboard.front(); E; E = E->next()) {
-		String name = E->get().name;
-		undo_redo.add_do_property(p_object, name, E->get().value);
+	for (PropertyData &E : clipboard) {
+		String name = E.name;
+		undo_redo.add_do_property(p_object, name, E.value);
 		undo_redo.add_undo_property(p_object, name, p_object->get(name));
 	}
 	undo_redo.commit_action();
@@ -616,8 +616,8 @@ bool EditorData::check_and_update_scene(int p_idx) {
 
 		//transfer selection
 		List<Node *> new_selection;
-		for (List<Node *>::Element *E = edited_scene.write[p_idx].selection.front(); E; E = E->next()) {
-			NodePath p = edited_scene[p_idx].root->get_path_to(E->get());
+		for (Node *E : edited_scene.write[p_idx].selection) {
+			NodePath p = edited_scene[p_idx].root->get_path_to(E);
 			Node *new_node = new_scene->get_node(p);
 			if (new_node) {
 				new_selection.push_back(new_node);
@@ -841,8 +841,8 @@ Dictionary EditorData::restore_edited_scene_state(EditorSelection *p_selection,
 	p_history->history = es.history_stored;
 
 	p_selection->clear();
-	for (List<Node *>::Element *E = es.selection.front(); E; E = E->next()) {
-		p_selection->add_node(E->get());
+	for (Node *E : es.selection) {
+		p_selection->add_node(E);
 	}
 	set_editor_states(es.editor_states);
 
@@ -964,9 +964,9 @@ void EditorData::script_class_save_icon_paths() {
 	_script_class_icon_paths.get_key_list(&keys);
 
 	Dictionary d;
-	for (List<StringName>::Element *E = keys.front(); E; E = E->next()) {
-		if (ScriptServer::is_global_class(E->get())) {
-			d[E->get()] = _script_class_icon_paths[E->get()];
+	for (StringName &E : keys) {
+		if (ScriptServer::is_global_class(E)) {
+			d[E] = _script_class_icon_paths[E];
 		}
 	}
 
@@ -996,8 +996,8 @@ void EditorData::script_class_load_icon_paths() {
 		List<Variant> keys;
 		d.get_key_list(&keys);
 
-		for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-			String name = E->get().operator String();
+		for (Variant &E : keys) {
+			String name = E.operator String();
 			_script_class_icon_paths[name] = d[name];
 
 			String path = ScriptServer::get_global_class_path(name);
@@ -1038,8 +1038,8 @@ void EditorSelection::add_node(Node *p_node) {
 	changed = true;
 	nl_changed = true;
 	Object *meta = nullptr;
-	for (List<Object *>::Element *E = editor_plugins.front(); E; E = E->next()) {
-		meta = E->get()->call("_get_editor_data", p_node);
+	for (Object *E : editor_plugins) {
+		meta = E->call("_get_editor_data", p_node);
 		if (meta) {
 			break;
 		}
@@ -1076,8 +1076,8 @@ bool EditorSelection::is_selected(Node *p_node) const {
 Array EditorSelection::_get_transformable_selected_nodes() {
 	Array ret;
 
-	for (List<Node *>::Element *E = selected_node_list.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (Node *E : selected_node_list) {
+		ret.push_back(E);
 	}
 
 	return ret;

editor/editor_export.cpp

@@ -80,9 +80,9 @@ bool EditorExportPreset::_get(const StringName &p_name, Variant &r_ret) const {
 }
 
 void EditorExportPreset::_get_property_list(List<PropertyInfo> *p_list) const {
-	for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
-		if (platform->get_option_visibility(E->get().name, values)) {
-			p_list->push_back(E->get());
+	for (const PropertyInfo &E : properties) {
+		if (platform->get_option_visibility(E.name, values)) {
+			p_list->push_back(E);
 		}
 	}
 }
@@ -436,9 +436,9 @@ Ref<EditorExportPreset> EditorExportPlatform::create_preset() {
 	List<ExportOption> options;
 	get_export_options(&options);
 
-	for (List<ExportOption>::Element *E = options.front(); E; E = E->next()) {
-		preset->properties.push_back(E->get().option);
-		preset->values[E->get().option.name] = E->get().default_value;
+	for (ExportOption &E : options) {
+		preset->properties.push_back(E.option);
+		preset->values[E.option.name] = E.default_value;
 	}
 
 	return preset;
@@ -679,9 +679,9 @@ EditorExportPlatform::FeatureContainers EditorExportPlatform::get_feature_contai
 	platform->get_preset_features(p_preset, &feature_list);
 
 	FeatureContainers result;
-	for (List<String>::Element *E = feature_list.front(); E; E = E->next()) {
-		result.features.insert(E->get());
-		result.features_pv.push_back(E->get());
+	for (String &E : feature_list) {
+		result.features.insert(E);
+		result.features_pv.push_back(E);
 	}
 
 	if (p_preset->get_custom_features() != String()) {
@@ -752,9 +752,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 		List<PropertyInfo> props;
 		ProjectSettings::get_singleton()->get_property_list(&props);
 
-		for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-			const PropertyInfo &pi = E->get();
-
+		for (PropertyInfo &pi : props) {
 			if (!pi.name.begins_with("autoload/")) {
 				continue;
 			}
@@ -899,8 +897,8 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 
 			Set<String> remap_features;
 
-			for (List<String>::Element *F = remaps.front(); F; F = F->next()) {
-				String remap = F->get();
+			for (String &F : remaps) {
+				String remap = F;
 				String feature = remap.get_slice(".", 1);
 				if (features.has(feature)) {
 					remap_features.insert(feature);
@@ -913,8 +911,8 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
 
 			err = OK;
 
-			for (List<String>::Element *F = remaps.front(); F; F = F->next()) {
-				String remap = F->get();
+			for (String &F : remaps) {
+				String remap = F;
 				if (remap == "path") {
 					String remapped_path = config->get_value("remap", remap);
 					Vector<uint8_t> array = FileAccess::get_file_as_array(remapped_path);
@@ -1362,7 +1360,7 @@ void EditorExportPlatform::gen_export_flags(Vector<String> &r_flags, int p_flags
 		if (breakpoints.size()) {
 			r_flags.push_back("--breakpoints");
 			String bpoints;
-			for (const List<String>::Element *E = breakpoints.front(); E; E = E->next()) {
+			for (List<String>::Element *E = breakpoints.front(); E; E = E->next()) {
 				bpoints += E->get().replace(" ", "%20");
 				if (E->next()) {
 					bpoints += ",";
@@ -1436,8 +1434,8 @@ void EditorExport::_save() {
 
 		String option_section = "preset." + itos(i) + ".options";
 
-		for (const List<PropertyInfo>::Element *E = preset->get_properties().front(); E; E = E->next()) {
-			config->set_value(option_section, E->get().name, preset->get(E->get().name));
+		for (const PropertyInfo &E : preset->get_properties()) {
+			config->set_value(option_section, E.name, preset->get(E.name));
 		}
 	}
 
@@ -1642,10 +1640,10 @@ void EditorExport::load_config() {
 
 		config->get_section_keys(option_section, &options);
 
-		for (List<String>::Element *E = options.front(); E; E = E->next()) {
-			Variant value = config->get_value(option_section, E->get());
+		for (String &E : options) {
+			Variant value = config->get_value(option_section, E);
 
-			preset->set(E->get(), value);
+			preset->set(E, value);
 		}
 
 		add_export_preset(preset);
@@ -1684,11 +1682,11 @@ void EditorExport::update_export_presets() {
 			preset->properties.clear();
 			preset->values.clear();
 
-			for (List<EditorExportPlatform::ExportOption>::Element *E = options.front(); E; E = E->next()) {
-				preset->properties.push_back(E->get().option);
+			for (EditorExportPlatform::ExportOption &E : options) {
+				preset->properties.push_back(E.option);
 
-				StringName option_name = E->get().option.name;
-				preset->values[option_name] = previous_values.has(option_name) ? previous_values[option_name] : E->get().default_value;
+				StringName option_name = E.option.name;
+				preset->values[option_name] = previous_values.has(option_name) ? previous_values[option_name] : E.default_value;
 			}
 		}
 	}

editor/editor_feature_profile.cpp

@@ -527,9 +527,8 @@ void EditorFeatureProfileManager::_fill_classes_from(TreeItem *p_parent, const S
 	ClassDB::get_direct_inheriters_from_class(p_class, &child_classes);
 	child_classes.sort_custom<StringName::AlphCompare>();
 
-	for (List<StringName>::Element *E = child_classes.front(); E; E = E->next()) {
-		String name = E->get();
-		if (name.begins_with("Editor") || ClassDB::get_api_type(name) != ClassDB::API_CORE) {
+	for (StringName &name : child_classes) {
+		if (String(name).begins_with("Editor") || ClassDB::get_api_type(name) != ClassDB::API_CORE) {
 			continue;
 		}
 		_fill_classes_from(class_item, name, p_selected);
@@ -597,9 +596,9 @@ void EditorFeatureProfileManager::_class_list_item_selected() {
 		TreeItem *properties = property_list->create_item(root);
 		properties->set_text(0, TTR("Class Properties:"));
 
-		for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-			String name = E->get().name;
-			if (!(E->get().usage & PROPERTY_USAGE_EDITOR)) {
+		for (PropertyInfo &E : props) {
+			String name = E.name;
+			if (!(E.usage & PROPERTY_USAGE_EDITOR)) {
 				continue;
 			}
 			TreeItem *property = property_list->create_item(properties);
@@ -609,7 +608,7 @@ void EditorFeatureProfileManager::_class_list_item_selected() {
 			property->set_checked(0, !edited->is_class_property_disabled(class_name, name));
 			property->set_text(0, name.capitalize());
 			property->set_metadata(0, name);
-			String icon_type = Variant::get_type_name(E->get().type);
+			String icon_type = Variant::get_type_name(E.type);
 			property->set_icon(0, EditorNode::get_singleton()->get_class_icon(icon_type));
 		}
 	}

editor/editor_file_dialog.cpp

@@ -830,8 +830,8 @@ void EditorFileDialog::update_file_list() {
 	while (!files.is_empty()) {
 		bool match = patterns.is_empty();
 
-		for (List<String>::Element *E = patterns.front(); E; E = E->next()) {
-			if (files.front()->get().matchn(E->get())) {
+		for (String &E : patterns) {
+			if (files.front()->get().matchn(E)) {
 				match = true;
 				break;
 			}

editor/editor_file_system.cpp

@@ -457,8 +457,8 @@ bool EditorFileSystem::_test_for_reimport(const String &p_path, bool p_only_impo
 	memdelete(md5s);
 
 	//imported files are gone, reimport
-	for (List<String>::Element *E = to_check.front(); E; E = E->next()) {
-		if (!FileAccess::exists(E->get())) {
+	for (String &E : to_check) {
+		if (!FileAccess::exists(E)) {
 			return true;
 		}
 	}
@@ -497,9 +497,7 @@ bool EditorFileSystem::_update_scan_actions() {
 	Vector<String> reimports;
 	Vector<String> reloads;
 
-	for (List<ItemAction>::Element *E = scan_actions.front(); E; E = E->next()) {
-		ItemAction &ia = E->get();
-
+	for (ItemAction &ia : scan_actions) {
 		switch (ia.action) {
 			case ItemAction::ACTION_NONE: {
 			} break;
@@ -1027,8 +1025,8 @@ void EditorFileSystem::_delete_internal_files(String p_file) {
 		List<String> paths;
 		ResourceFormatImporter::get_singleton()->get_internal_resource_path_list(p_file, &paths);
 		DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
-		for (List<String>::Element *E = paths.front(); E; E = E->next()) {
-			da->remove(E->get());
+		for (String &E : paths) {
+			da->remove(E);
 		}
 		da->remove(p_file + ".import");
 		memdelete(da);
@@ -1368,8 +1366,8 @@ Vector<String> EditorFileSystem::_get_dependencies(const String &p_path) {
 	ResourceLoader::get_dependencies(p_path, &deps);
 
 	Vector<String> ret;
-	for (List<String>::Element *E = deps.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (String &E : deps) {
+		ret.push_back(E);
 	}
 
 	return ret;
@@ -1549,15 +1547,14 @@ Error EditorFileSystem::_reimport_group(const String &p_group_file, const Vector
 		List<ResourceImporter::ImportOption> options;
 		importer->get_import_options(&options);
 		//set default values
-		for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-			source_file_options[p_files[i]][E->get().option.name] = E->get().default_value;
+		for (ResourceImporter::ImportOption &E : options) {
+			source_file_options[p_files[i]][E.option.name] = E.default_value;
 		}
 
 		if (config->has_section("params")) {
 			List<String> sk;
 			config->get_section_keys("params", &sk);
-			for (List<String>::Element *E = sk.front(); E; E = E->next()) {
-				String param = E->get();
+			for (String &param : sk) {
 				Variant value = config->get_value("params", param);
 				//override with whathever is in file
 				source_file_options[p_files[i]][param] = value;
@@ -1631,9 +1628,9 @@ Error EditorFileSystem::_reimport_group(const String &p_group_file, const Vector
 		List<ResourceImporter::ImportOption> options;
 		importer->get_import_options(&options);
 		//set default values
-		for (List<ResourceImporter::ImportOption>::Element *F = options.front(); F; F = F->next()) {
-			String base = F->get().option.name;
-			Variant v = F->get().default_value;
+		for (ResourceImporter::ImportOption &F : options) {
+			String base = F.option.name;
+			Variant v = F.default_value;
 			if (source_file_options[file].has(base)) {
 				v = source_file_options[file][base];
 			}
@@ -1712,8 +1709,8 @@ void EditorFileSystem::_reimport_file(const String &p_file, const Map<StringName
 				if (cf->has_section("params")) {
 					List<String> sk;
 					cf->get_section_keys("params", &sk);
-					for (List<String>::Element *E = sk.front(); E; E = E->next()) {
-						params[E->get()] = cf->get_value("params", E->get());
+					for (String &E : sk) {
+						params[E] = cf->get_value("params", E);
 					}
 				}
 				if (p_custom_importer == String() && cf->has_section("remap")) {
@@ -1754,9 +1751,9 @@ void EditorFileSystem::_reimport_file(const String &p_file, const Map<StringName
 
 	List<ResourceImporter::ImportOption> opts;
 	importer->get_import_options(&opts);
-	for (List<ResourceImporter::ImportOption>::Element *E = opts.front(); E; E = E->next()) {
-		if (!params.has(E->get().option.name)) { //this one is not present
-			params[E->get().option.name] = E->get().default_value;
+	for (ResourceImporter::ImportOption &E : opts) {
+		if (!params.has(E.option.name)) { //this one is not present
+			params[E.option.name] = E.default_value;
 		}
 	}
 
@@ -1766,8 +1763,8 @@ void EditorFileSystem::_reimport_file(const String &p_file, const Map<StringName
 		List<Variant> v;
 		d.get_key_list(&v);
 
-		for (List<Variant>::Element *E = v.front(); E; E = E->next()) {
-			params[E->get()] = d[E->get()];
+		for (Variant &E : v) {
+			params[E] = d[E];
 		}
 	}
 
@@ -1807,10 +1804,10 @@ void EditorFileSystem::_reimport_file(const String &p_file, const Map<StringName
 			//no path
 		} else if (import_variants.size()) {
 			//import with variants
-			for (List<String>::Element *E = import_variants.front(); E; E = E->next()) {
-				String path = base_path.c_escape() + "." + E->get() + "." + importer->get_save_extension();
+			for (String &E : import_variants) {
+				String path = base_path.c_escape() + "." + E + "." + importer->get_save_extension();
 
-				f->store_line("path." + E->get() + "=\"" + path + "\"");
+				f->store_line("path." + E + "=\"" + path + "\"");
 				dest_paths.push_back(path);
 			}
 		} else {
@@ -1833,9 +1830,9 @@ void EditorFileSystem::_reimport_file(const String &p_file, const Map<StringName
 
 	if (gen_files.size()) {
 		Array genf;
-		for (List<String>::Element *E = gen_files.front(); E; E = E->next()) {
-			genf.push_back(E->get());
-			dest_paths.push_back(E->get());
+		for (String &E : gen_files) {
+			genf.push_back(E);
+			dest_paths.push_back(E);
 		}
 
 		String value;
@@ -1859,8 +1856,8 @@ void EditorFileSystem::_reimport_file(const String &p_file, const Map<StringName
 
 	//store options in provided order, to avoid file changing. Order is also important because first match is accepted first.
 
-	for (List<ResourceImporter::ImportOption>::Element *E = opts.front(); E; E = E->next()) {
-		String base = E->get().option.name;
+	for (ResourceImporter::ImportOption &E : opts) {
+		String base = E.option.name;
 		String value;
 		VariantWriter::write_to_string(params[base], value);
 		f->store_line(base + "=" + value);
@@ -2080,9 +2077,8 @@ void EditorFileSystem::_move_group_files(EditorFileSystemDirectory *efd, const S
 
 			List<String> sk;
 			config->get_section_keys("params", &sk);
-			for (List<String>::Element *E = sk.front(); E; E = E->next()) {
+			for (String &param : sk) {
 				//not very clean, but should work
-				String param = E->get();
 				String value = config->get_value("params", param);
 				if (value == p_group_file) {
 					config->set_value("params", param, p_new_location);
@@ -2131,14 +2127,14 @@ void EditorFileSystem::_update_extensions() {
 
 	List<String> extensionsl;
 	ResourceLoader::get_recognized_extensions_for_type("", &extensionsl);
-	for (List<String>::Element *E = extensionsl.front(); E; E = E->next()) {
-		valid_extensions.insert(E->get());
+	for (String &E : extensionsl) {
+		valid_extensions.insert(E);
 	}
 
 	extensionsl.clear();
 	ResourceFormatImporter::get_singleton()->get_recognized_extensions(&extensionsl);
-	for (List<String>::Element *E = extensionsl.front(); E; E = E->next()) {
-		import_extensions.insert(E->get());
+	for (String &E : extensionsl) {
+		import_extensions.insert(E);
 	}
 }
 

editor/editor_folding.cpp

@@ -109,10 +109,10 @@ void EditorFolding::_fill_folds(const Node *p_root, const Node *p_node, Array &p
 
 	List<PropertyInfo> plist;
 	p_node->get_property_list(&plist);
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (E->get().usage & PROPERTY_USAGE_EDITOR) {
-			if (E->get().type == Variant::OBJECT) {
-				RES res = p_node->get(E->get().name);
+	for (PropertyInfo &E : plist) {
+		if (E.usage & PROPERTY_USAGE_EDITOR) {
+			if (E.type == Variant::OBJECT) {
+				RES res = p_node->get(E.name);
 				if (res.is_valid() && !resources.has(res) && res->get_path() != String() && !res->get_path().is_resource_file()) {
 					Vector<String> res_unfolds = _get_unfolds(res.ptr());
 					resource_folds.push_back(res->get_path());
@@ -228,41 +228,41 @@ void EditorFolding::_do_object_unfolds(Object *p_object, Set<RES> &resources) {
 
 	Set<String> unfold_group;
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (E->get().usage & PROPERTY_USAGE_CATEGORY) {
+	for (PropertyInfo &E : plist) {
+		if (E.usage & PROPERTY_USAGE_CATEGORY) {
 			group = "";
 			group_base = "";
 		}
-		if (E->get().usage & PROPERTY_USAGE_GROUP) {
-			group = E->get().name;
-			group_base = E->get().hint_string;
+		if (E.usage & PROPERTY_USAGE_GROUP) {
+			group = E.name;
+			group_base = E.hint_string;
 			if (group_base.ends_with("_")) {
 				group_base = group_base.substr(0, group_base.length() - 1);
 			}
 		}
 
 		//can unfold
-		if (E->get().usage & PROPERTY_USAGE_EDITOR) {
+		if (E.usage & PROPERTY_USAGE_EDITOR) {
 			if (group != "") { //group
-				if (group_base == String() || E->get().name.begins_with(group_base)) {
-					bool can_revert = EditorPropertyRevert::can_property_revert(p_object, E->get().name);
+				if (group_base == String() || E.name.begins_with(group_base)) {
+					bool can_revert = EditorPropertyRevert::can_property_revert(p_object, E.name);
 					if (can_revert) {
 						unfold_group.insert(group);
 					}
 				}
 			} else { //path
-				int last = E->get().name.rfind("/");
+				int last = E.name.rfind("/");
 				if (last != -1) {
-					bool can_revert = EditorPropertyRevert::can_property_revert(p_object, E->get().name);
+					bool can_revert = EditorPropertyRevert::can_property_revert(p_object, E.name);
 					if (can_revert) {
-						unfold_group.insert(E->get().name.substr(0, last));
+						unfold_group.insert(E.name.substr(0, last));
 					}
 				}
 			}
 
-			if (E->get().type == Variant::OBJECT) {
-				RES res = p_object->get(E->get().name);
-				print_line("res: " + String(E->get().name) + " valid " + itos(res.is_valid()));
+			if (E.type == Variant::OBJECT) {
+				RES res = p_object->get(E.name);
+				print_line("res: " + String(E.name) + " valid " + itos(res.is_valid()));
 				if (res.is_valid()) {
 					print_line("path " + res->get_path());
 				}

editor/editor_inspector.cpp

@@ -1508,9 +1508,9 @@ String EditorInspector::get_selected_path() const {
 }
 
 void EditorInspector::_parse_added_editors(VBoxContainer *current_vbox, Ref<EditorInspectorPlugin> ped) {
-	for (List<EditorInspectorPlugin::AddedEditor>::Element *F = ped->added_editors.front(); F; F = F->next()) {
-		EditorProperty *ep = Object::cast_to<EditorProperty>(F->get().property_editor);
-		current_vbox->add_child(F->get().property_editor);
+	for (EditorInspectorPlugin::AddedEditor &F : ped->added_editors) {
+		EditorProperty *ep = Object::cast_to<EditorProperty>(F.property_editor);
+		current_vbox->add_child(F.property_editor);
 
 		if (ep) {
 			ep->object = object;
@@ -1524,19 +1524,19 @@ void EditorInspector::_parse_added_editors(VBoxContainer *current_vbox, Ref<Edit
 			ep->connect("resource_selected", callable_mp(this, &EditorInspector::_resource_selected), varray(), CONNECT_DEFERRED);
 			ep->connect("object_id_selected", callable_mp(this, &EditorInspector::_object_id_selected), varray(), CONNECT_DEFERRED);
 
-			if (F->get().properties.size()) {
-				if (F->get().properties.size() == 1) {
+			if (F.properties.size()) {
+				if (F.properties.size() == 1) {
 					//since it's one, associate:
-					ep->property = F->get().properties[0];
+					ep->property = F.properties[0];
 					ep->property_usage = 0;
 				}
 
-				if (F->get().label != String()) {
-					ep->set_label(F->get().label);
+				if (F.label != String()) {
+					ep->set_label(F.label);
 				}
 
-				for (int i = 0; i < F->get().properties.size(); i++) {
-					String prop = F->get().properties[i];
+				for (int i = 0; i < F.properties.size(); i++) {
+					String prop = F.properties[i];
 
 					if (!editor_property_map.has(prop)) {
 						editor_property_map[prop] = List<EditorProperty *>();
@@ -1648,8 +1648,7 @@ void EditorInspector::update_tree() {
 
 	Color sscolor = get_theme_color(SNAME("prop_subsection"), SNAME("Editor"));
 
-	for (List<Ref<EditorInspectorPlugin>>::Element *E = valid_plugins.front(); E; E = E->next()) {
-		Ref<EditorInspectorPlugin> ped = E->get();
+	for (Ref<EditorInspectorPlugin> ped : valid_plugins) {
 		ped->parse_begin(object);
 		_parse_added_editors(main_vbox, ped);
 	}
@@ -1746,8 +1745,7 @@ void EditorInspector::update_tree() {
 				category->set_tooltip(p.name + "::" + (class_descr_cache[type2] == "" ? "" : class_descr_cache[type2]));
 			}
 
-			for (List<Ref<EditorInspectorPlugin>>::Element *E = valid_plugins.front(); E; E = E->next()) {
-				Ref<EditorInspectorPlugin> ped = E->get();
+			for (Ref<EditorInspectorPlugin> ped : valid_plugins) {
 				ped->parse_category(object, p.name);
 				_parse_added_editors(main_vbox, ped);
 			}
@@ -1948,36 +1946,35 @@ void EditorInspector::update_tree() {
 			doc_hint = descr;
 		}
 
-		for (List<Ref<EditorInspectorPlugin>>::Element *E = valid_plugins.front(); E; E = E->next()) {
-			Ref<EditorInspectorPlugin> ped = E->get();
+		for (Ref<EditorInspectorPlugin> ped : valid_plugins) {
 			bool exclusive = ped->parse_property(object, p.type, p.name, p.hint, p.hint_string, p.usage, wide_editors);
 
 			List<EditorInspectorPlugin::AddedEditor> editors = ped->added_editors; //make a copy, since plugins may be used again in a sub-inspector
 			ped->added_editors.clear();
 
-			for (List<EditorInspectorPlugin::AddedEditor>::Element *F = editors.front(); F; F = F->next()) {
-				EditorProperty *ep = Object::cast_to<EditorProperty>(F->get().property_editor);
+			for (EditorInspectorPlugin::AddedEditor &F : editors) {
+				EditorProperty *ep = Object::cast_to<EditorProperty>(F.property_editor);
 
 				if (ep) {
 					//set all this before the control gets the ENTER_TREE notification
 					ep->object = object;
 
-					if (F->get().properties.size()) {
-						if (F->get().properties.size() == 1) {
+					if (F.properties.size()) {
+						if (F.properties.size() == 1) {
 							//since it's one, associate:
-							ep->property = F->get().properties[0];
+							ep->property = F.properties[0];
 							ep->property_usage = p.usage;
 							//and set label?
 						}
 
-						if (F->get().label != String()) {
-							ep->set_label(F->get().label);
+						if (F.label != String()) {
+							ep->set_label(F.label);
 						} else {
 							//use existin one
 							ep->set_label(name);
 						}
-						for (int i = 0; i < F->get().properties.size(); i++) {
-							String prop = F->get().properties[i];
+						for (int i = 0; i < F.properties.size(); i++) {
+							String prop = F.properties[i];
 
 							if (!editor_property_map.has(prop)) {
 								editor_property_map[prop] = List<EditorProperty *>();
@@ -1995,7 +1992,7 @@ void EditorInspector::update_tree() {
 					ep->set_deletable(deletable_properties);
 				}
 
-				current_vbox->add_child(F->get().property_editor);
+				current_vbox->add_child(F.property_editor);
 
 				if (ep) {
 					ep->connect("property_changed", callable_mp(this, &EditorInspector::_property_changed));
@@ -2031,8 +2028,7 @@ void EditorInspector::update_tree() {
 		}
 	}
 
-	for (List<Ref<EditorInspectorPlugin>>::Element *E = valid_plugins.front(); E; E = E->next()) {
-		Ref<EditorInspectorPlugin> ped = E->get();
+	for (Ref<EditorInspectorPlugin> ped : valid_plugins) {
 		ped->parse_end();
 		_parse_added_editors(main_vbox, ped);
 	}
@@ -2045,10 +2041,10 @@ void EditorInspector::update_property(const String &p_prop) {
 		return;
 	}
 
-	for (List<EditorProperty *>::Element *E = editor_property_map[p_prop].front(); E; E = E->next()) {
-		E->get()->update_property();
-		E->get()->update_reload_status();
-		E->get()->update_cache();
+	for (EditorProperty *E : editor_property_map[p_prop]) {
+		E->update_property();
+		E->update_reload_status();
+		E->update_cache();
 	}
 }
 
@@ -2157,24 +2153,24 @@ bool EditorInspector::is_using_folding() {
 }
 
 void EditorInspector::collapse_all_folding() {
-	for (List<EditorInspectorSection *>::Element *E = sections.front(); E; E = E->next()) {
-		E->get()->fold();
+	for (EditorInspectorSection *E : sections) {
+		E->fold();
 	}
 
 	for (Map<StringName, List<EditorProperty *>>::Element *F = editor_property_map.front(); F; F = F->next()) {
-		for (List<EditorProperty *>::Element *E = F->get().front(); E; E = E->next()) {
-			E->get()->collapse_all_folding();
+		for (EditorProperty *E : F->get()) {
+			E->collapse_all_folding();
 		}
 	}
 }
 
 void EditorInspector::expand_all_folding() {
-	for (List<EditorInspectorSection *>::Element *E = sections.front(); E; E = E->next()) {
-		E->get()->unfold();
+	for (EditorInspectorSection *E : sections) {
+		E->unfold();
 	}
 	for (Map<StringName, List<EditorProperty *>>::Element *F = editor_property_map.front(); F; F = F->next()) {
-		for (List<EditorProperty *>::Element *E = F->get().front(); E; E = E->next()) {
-			E->get()->expand_all_folding();
+		for (EditorProperty *E : F->get()) {
+			E->expand_all_folding();
 		}
 	}
 }
@@ -2239,9 +2235,9 @@ void EditorInspector::_edit_request_change(Object *p_object, const String &p_pro
 
 void EditorInspector::_edit_set(const String &p_name, const Variant &p_value, bool p_refresh_all, const String &p_changed_field) {
 	if (autoclear && editor_property_map.has(p_name)) {
-		for (List<EditorProperty *>::Element *E = editor_property_map[p_name].front(); E; E = E->next()) {
-			if (E->get()->is_checkable()) {
-				E->get()->set_checked(true);
+		for (EditorProperty *E : editor_property_map[p_name]) {
+			if (E->is_checkable()) {
+				E->set_checked(true);
 			}
 		}
 	}
@@ -2308,8 +2304,8 @@ void EditorInspector::_edit_set(const String &p_name, const Variant &p_value, bo
 	}
 
 	if (editor_property_map.has(p_name)) {
-		for (List<EditorProperty *>::Element *E = editor_property_map[p_name].front(); E; E = E->next()) {
-			E->get()->update_reload_status();
+		for (EditorProperty *E : editor_property_map[p_name]) {
+			E->update_reload_status();
 		}
 	}
 }
@@ -2395,10 +2391,10 @@ void EditorInspector::_property_checked(const String &p_path, bool p_checked) {
 			Variant to_create;
 			List<PropertyInfo> pinfo;
 			object->get_property_list(&pinfo);
-			for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-				if (E->get().name == p_path) {
+			for (PropertyInfo &E : pinfo) {
+				if (E.name == p_path) {
 					Callable::CallError ce;
-					Variant::construct(E->get().type, to_create, nullptr, 0, ce);
+					Variant::construct(E.type, to_create, nullptr, 0, ce);
 					break;
 				}
 			}
@@ -2406,10 +2402,10 @@ void EditorInspector::_property_checked(const String &p_path, bool p_checked) {
 		}
 
 		if (editor_property_map.has(p_path)) {
-			for (List<EditorProperty *>::Element *E = editor_property_map[p_path].front(); E; E = E->next()) {
-				E->get()->update_property();
-				E->get()->update_reload_status();
-				E->get()->update_cache();
+			for (EditorProperty *E : editor_property_map[p_path]) {
+				E->update_property();
+				E->update_reload_status();
+				E->update_cache();
 			}
 		}
 
@@ -2426,9 +2422,9 @@ void EditorInspector::_property_selected(const String &p_path, int p_focusable)
 		if (F->key() == property_selected) {
 			continue;
 		}
-		for (List<EditorProperty *>::Element *E = F->get().front(); E; E = E->next()) {
-			if (E->get()->is_selected()) {
-				E->get()->deselect();
+		for (EditorProperty *E : F->get()) {
+			if (E->is_selected()) {
+				E->deselect();
 			}
 		}
 	}
@@ -2485,11 +2481,11 @@ void EditorInspector::_notification(int p_what) {
 			refresh_countdown -= get_process_delta_time();
 			if (refresh_countdown <= 0) {
 				for (Map<StringName, List<EditorProperty *>>::Element *F = editor_property_map.front(); F; F = F->next()) {
-					for (List<EditorProperty *>::Element *E = F->get().front(); E; E = E->next()) {
-						if (!E->get()->is_cache_valid()) {
-							E->get()->update_property();
-							E->get()->update_reload_status();
-							E->get()->update_cache();
+					for (EditorProperty *E : F->get()) {
+						if (!E->is_cache_valid()) {
+							E->update_property();
+							E->update_reload_status();
+							E->update_cache();
 						}
 					}
 				}
@@ -2508,10 +2504,10 @@ void EditorInspector::_notification(int p_what) {
 			while (pending.size()) {
 				StringName prop = pending.front()->get();
 				if (editor_property_map.has(prop)) {
-					for (List<EditorProperty *>::Element *E = editor_property_map[prop].front(); E; E = E->next()) {
-						E->get()->update_property();
-						E->get()->update_reload_status();
-						E->get()->update_cache();
+					for (EditorProperty *E : editor_property_map[prop]) {
+						E->update_property();
+						E->update_reload_status();
+						E->update_cache();
 					}
 				}
 				pending.erase(pending.front());
@@ -2599,8 +2595,7 @@ void EditorInspector::_update_script_class_properties(const Object &p_object, Li
 	}
 
 	Set<StringName> added;
-	for (List<Ref<Script>>::Element *E = classes.front(); E; E = E->next()) {
-		Ref<Script> s = E->get();
+	for (Ref<Script> s : classes) {
 		String path = s->get_path();
 		String name = EditorNode::get_editor_data().script_class_get_name(path);
 		if (name.is_empty()) {

editor/editor_layouts_dialog.cpp

@@ -92,8 +92,8 @@ void EditorLayoutsDialog::_post_popup() {
 	List<String> layouts;
 	config.ptr()->get_sections(&layouts);
 
-	for (List<String>::Element *E = layouts.front(); E; E = E->next()) {
-		layout_names->add_item(**E);
+	for (String &E : layouts) {
+		layout_names->add_item(E);
 	}
 }
 

editor/editor_node.cpp

@@ -797,8 +797,8 @@ void EditorNode::_resources_changed(const Vector<String> &p_resources) {
 	}
 
 	if (changed.size()) {
-		for (List<Ref<Resource>>::Element *E = changed.front(); E; E = E->next()) {
-			E->get()->reload_from_file();
+		for (Ref<Resource> E : changed) {
+			E->reload_from_file();
 		}
 	}
 }
@@ -914,8 +914,8 @@ void EditorNode::_resources_reimported(const Vector<String> &p_resources) {
 		}
 	}
 
-	for (List<String>::Element *E = scenes.front(); E; E = E->next()) {
-		reload_scene(E->get());
+	for (String &E : scenes) {
+		reload_scene(E);
 	}
 
 	scene_tabs->set_current_tab(current_tab);
@@ -1143,13 +1143,13 @@ void EditorNode::save_resource_as(const Ref<Resource> &p_resource, const String
 	file->clear_filters();
 
 	List<String> preferred;
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		if (p_resource->is_class("Script") && (E->get() == "tres" || E->get() == "res")) {
+	for (String &E : extensions) {
+		if (p_resource->is_class("Script") && (E == "tres" || E == "res")) {
 			//this serves no purpose and confused people
 			continue;
 		}
-		file->add_filter("*." + E->get() + " ; " + E->get().to_upper());
-		preferred.push_back(E->get());
+		file->add_filter("*." + E + " ; " + E.to_upper());
+		preferred.push_back(E);
 	}
 	// Lowest priority extension
 	List<String>::Element *res_element = preferred.find("res");
@@ -1259,10 +1259,10 @@ void EditorNode::_get_scene_metadata(const String &p_file) {
 	cf->get_section_keys("editor_states", &esl);
 
 	Dictionary md;
-	for (List<String>::Element *E = esl.front(); E; E = E->next()) {
-		Variant st = cf->get_value("editor_states", E->get());
+	for (String &E : esl) {
+		Variant st = cf->get_value("editor_states", E);
 		if (st.get_type() != Variant::NIL) {
-			md[E->get()] = st;
+			md[E] = st;
 		}
 	}
 
@@ -1295,8 +1295,8 @@ void EditorNode::_set_scene_metadata(const String &p_file, int p_idx) {
 	List<Variant> keys;
 	md.get_key_list(&keys);
 
-	for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
-		cf->set_value("editor_states", E->get(), md[E->get()]);
+	for (Variant &E : keys) {
+		cf->set_value("editor_states", E, md[E]);
 	}
 
 	Error err = cf->save(path);
@@ -1334,14 +1334,14 @@ bool EditorNode::_find_and_save_edited_subresources(Object *obj, Map<RES, bool>
 	bool ret_changed = false;
 	List<PropertyInfo> pi;
 	obj->get_property_list(&pi);
-	for (List<PropertyInfo>::Element *E = pi.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+	for (PropertyInfo &E : pi) {
+		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 			continue;
 		}
 
-		switch (E->get().type) {
+		switch (E.type) {
 			case Variant::OBJECT: {
-				RES res = obj->get(E->get().name);
+				RES res = obj->get(E.name);
 
 				if (_find_and_save_resource(res, processed, flags)) {
 					ret_changed = true;
@@ -1349,7 +1349,7 @@ bool EditorNode::_find_and_save_edited_subresources(Object *obj, Map<RES, bool>
 
 			} break;
 			case Variant::ARRAY: {
-				Array varray = obj->get(E->get().name);
+				Array varray = obj->get(E.name);
 				int len = varray.size();
 				for (int i = 0; i < len; i++) {
 					const Variant &v = varray.get(i);
@@ -1361,11 +1361,11 @@ bool EditorNode::_find_and_save_edited_subresources(Object *obj, Map<RES, bool>
 
 			} break;
 			case Variant::DICTIONARY: {
-				Dictionary d = obj->get(E->get().name);
+				Dictionary d = obj->get(E.name);
 				List<Variant> keys;
 				d.get_key_list(&keys);
-				for (List<Variant>::Element *F = keys.front(); F; F = F->next()) {
-					Variant v = d[F->get()];
+				for (Variant &F : keys) {
+					Variant v = d[F];
 					RES res = v;
 					if (_find_and_save_resource(res, processed, flags)) {
 						ret_changed = true;
@@ -1520,9 +1520,9 @@ static bool _find_edited_resources(const Ref<Resource> &p_resource, Set<Ref<Reso
 
 	p_resource->get_property_list(&plist);
 
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (E->get().type == Variant::OBJECT && E->get().usage & PROPERTY_USAGE_STORAGE && !(E->get().usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT)) {
-			RES res = p_resource->get(E->get().name);
+	for (PropertyInfo &E : plist) {
+		if (E.type == Variant::OBJECT && E.usage & PROPERTY_USAGE_STORAGE && !(E.usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT)) {
+			RES res = p_resource->get(E.name);
 			if (res.is_null()) {
 				continue;
 			}
@@ -1551,8 +1551,7 @@ int EditorNode::_save_external_resources() {
 	int saved = 0;
 	List<Ref<Resource>> cached;
 	ResourceCache::get_cached_resources(&cached);
-	for (List<Ref<Resource>>::Element *E = cached.front(); E; E = E->next()) {
-		Ref<Resource> res = E->get();
+	for (Ref<Resource> res : cached) {
 		if (!res->get_path().is_resource_file()) {
 			continue;
 		}
@@ -1642,8 +1641,8 @@ void EditorNode::_save_scene(String p_file, int idx) {
 
 	editor_data.save_editor_external_data();
 
-	for (List<Ref<AnimatedValuesBackup>>::Element *E = anim_backups.front(); E; E = E->next()) {
-		E->get()->restore();
+	for (Ref<AnimatedValuesBackup> E : anim_backups) {
+		E->restore();
 	}
 
 	if (err == OK) {
@@ -1884,8 +1883,8 @@ void EditorNode::_dialog_action(String p_file) {
 			// erase
 			List<String> keys;
 			config->get_section_keys(p_file, &keys);
-			for (List<String>::Element *E = keys.front(); E; E = E->next()) {
-				config->set_value(p_file, E->get(), Variant());
+			for (String &E : keys) {
+				config->set_value(p_file, E, Variant());
 			}
 
 			config->save(EditorSettings::get_singleton()->get_editor_layouts_config());
@@ -2533,8 +2532,8 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 			Ref<MeshLibrary> ml(memnew(MeshLibrary));
 			ResourceSaver::get_recognized_extensions(ml, &extensions);
 			file_export_lib->clear_filters();
-			for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-				file_export_lib->add_filter("*." + E->get());
+			for (String &E : extensions) {
+				file_export_lib->add_filter("*." + E);
 			}
 
 			file_export_lib->popup_file_dialog();
@@ -4055,11 +4054,11 @@ void EditorNode::_build_icon_type_cache() {
 	List<StringName> tl;
 	StringName ei = "EditorIcons";
 	theme_base->get_theme()->get_icon_list(ei, &tl);
-	for (List<StringName>::Element *E = tl.front(); E; E = E->next()) {
-		if (!ClassDB::class_exists(E->get())) {
+	for (StringName &E : tl) {
+		if (!ClassDB::class_exists(E)) {
 			continue;
 		}
-		icon_type_cache[E->get()] = theme_base->get_theme()->get_icon(E->get(), ei);
+		icon_type_cache[E] = theme_base->get_theme()->get_icon(E, ei);
 	}
 }
 
@@ -4784,9 +4783,7 @@ void EditorNode::_update_layouts_menu() {
 	List<String> layouts;
 	config.ptr()->get_sections(&layouts);
 
-	for (List<String>::Element *E = layouts.front(); E; E = E->next()) {
-		String layout = E->get();
-
+	for (String &layout : layouts) {
 		if (layout == TTR("Default")) {
 			editor_layouts->remove_item(editor_layouts->get_item_index(SETTINGS_LAYOUT_DEFAULT));
 			overridden_default_layout = editor_layouts->get_item_count();
@@ -5343,9 +5340,9 @@ void EditorNode::reload_scene(const String &p_path) {
 	List<Ref<Resource>> cached;
 	ResourceCache::get_cached_resources(&cached);
 	List<Ref<Resource>> to_clear; //clear internal resources from previous scene from being used
-	for (List<Ref<Resource>>::Element *E = cached.front(); E; E = E->next()) {
-		if (E->get()->get_path().begins_with(p_path + "::")) { //subresources of existing scene
-			to_clear.push_back(E->get());
+	for (Ref<Resource> E : cached) {
+		if (E->get_path().begins_with(p_path + "::")) { //subresources of existing scene
+			to_clear.push_back(E);
 		}
 	}
 
@@ -6741,8 +6738,8 @@ EditorNode::EditorNode() {
 	file_script->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
 	List<String> sexts;
 	ResourceLoader::get_recognized_extensions_for_type("Script", &sexts);
-	for (List<String>::Element *E = sexts.front(); E; E = E->next()) {
-		file_script->add_filter("*." + E->get());
+	for (String &E : sexts) {
+		file_script->add_filter("*." + E);
 	}
 	gui_base->add_child(file_script);
 	file_script->connect("file_selected", callable_mp(this, &EditorNode::_dialog_action));

editor/editor_path.cpp

@@ -40,15 +40,15 @@ void EditorPath::_add_children_to_popup(Object *p_obj, int p_depth) {
 
 	List<PropertyInfo> pinfo;
 	p_obj->get_property_list(&pinfo);
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		if (!(E->get().usage & PROPERTY_USAGE_EDITOR)) {
+	for (PropertyInfo &E : pinfo) {
+		if (!(E.usage & PROPERTY_USAGE_EDITOR)) {
 			continue;
 		}
-		if (E->get().hint != PROPERTY_HINT_RESOURCE_TYPE) {
+		if (E.hint != PROPERTY_HINT_RESOURCE_TYPE) {
 			continue;
 		}
 
-		Variant value = p_obj->get(E->get().name);
+		Variant value = p_obj->get(E.name);
 		if (value.get_type() != Variant::OBJECT) {
 			continue;
 		}
@@ -60,7 +60,7 @@ void EditorPath::_add_children_to_popup(Object *p_obj, int p_depth) {
 		Ref<Texture2D> icon = EditorNode::get_singleton()->get_object_icon(obj);
 
 		String proper_name = "";
-		Vector<String> name_parts = E->get().name.split("/");
+		Vector<String> name_parts = E.name.split("/");
 
 		for (int i = 0; i < name_parts.size(); i++) {
 			if (i > 0) {

editor/editor_resource_picker.cpp

@@ -221,8 +221,8 @@ void EditorResourcePicker::_edit_menu_cbk(int p_which) {
 			}
 
 			Set<String> valid_extensions;
-			for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-				valid_extensions.insert(E->get());
+			for (String &E : extensions) {
+				valid_extensions.insert(E);
 			}
 
 			if (!file_dialog) {
@@ -260,9 +260,8 @@ void EditorResourcePicker::_edit_menu_cbk(int p_which) {
 			List<PropertyInfo> property_list;
 			edited_resource->get_property_list(&property_list);
 			List<Pair<String, Variant>> propvalues;
-			for (List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
+			for (PropertyInfo &pi : property_list) {
 				Pair<String, Variant> p;
-				PropertyInfo &pi = E->get();
 				if (pi.usage & PROPERTY_USAGE_STORAGE) {
 					p.first = pi.name;
 					p.second = edited_resource->get(pi.name);
@@ -276,8 +275,7 @@ void EditorResourcePicker::_edit_menu_cbk(int p_which) {
 			Ref<Resource> unique_resource = Ref<Resource>(Object::cast_to<Resource>(inst));
 			ERR_FAIL_COND(unique_resource.is_null());
 
-			for (List<Pair<String, Variant>>::Element *E = propvalues.front(); E; E = E->next()) {
-				Pair<String, Variant> &p = E->get();
+			for (Pair<String, Variant> &p : propvalues) {
 				unique_resource->set(p.first, p.second);
 			}
 
@@ -467,13 +465,13 @@ void EditorResourcePicker::_get_allowed_types(bool p_with_convert, Set<String> *
 		List<StringName> inheriters;
 
 		ClassDB::get_inheriters_from_class(base, &inheriters);
-		for (List<StringName>::Element *E = inheriters.front(); E; E = E->next()) {
-			p_vector->insert(E->get());
+		for (StringName &E : inheriters) {
+			p_vector->insert(E);
 		}
 
-		for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
-			if (EditorNode::get_editor_data().script_class_is_parent(E->get(), base)) {
-				p_vector->insert(E->get());
+		for (StringName &E : global_classes) {
+			if (EditorNode::get_editor_data().script_class_is_parent(E, base)) {
+				p_vector->insert(E);
 			}
 		}
 

editor/editor_run.cpp

@@ -228,8 +228,8 @@ Error EditorRun::run(const String &p_scene, const String &p_custom_args, const L
 	}
 
 	printf("Running: %s", exec.utf8().get_data());
-	for (List<String>::Element *E = args.front(); E; E = E->next()) {
-		printf(" %s", E->get().utf8().get_data());
+	for (String &E : args) {
+		printf(" %s", E.utf8().get_data());
 	};
 	printf("\n");
 
@@ -250,8 +250,8 @@ Error EditorRun::run(const String &p_scene, const String &p_custom_args, const L
 }
 
 bool EditorRun::has_child_process(OS::ProcessID p_pid) const {
-	for (const List<OS::ProcessID>::Element *E = pids.front(); E; E = E->next()) {
-		if (E->get() == p_pid) {
+	for (const OS::ProcessID &E : pids) {
+		if (E == p_pid) {
 			return true;
 		}
 	}
@@ -267,8 +267,8 @@ void EditorRun::stop_child_process(OS::ProcessID p_pid) {
 
 void EditorRun::stop() {
 	if (status != STATUS_STOP && pids.size() > 0) {
-		for (List<OS::ProcessID>::Element *E = pids.front(); E; E = E->next()) {
-			OS::get_singleton()->kill(E->get());
+		for (OS::ProcessID &E : pids) {
+			OS::get_singleton()->kill(E);
 		}
 	}
 

editor/editor_sectioned_inspector.cpp

@@ -76,8 +76,7 @@ class SectionedInspectorFilter : public Object {
 
 		List<PropertyInfo> pinfo;
 		edited->get_property_list(&pinfo);
-		for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-			PropertyInfo pi = E->get();
+		for (PropertyInfo &pi : pinfo) {
 			int sp = pi.name.find("/");
 
 			if (pi.name == "resource_path" || pi.name == "resource_name" || pi.name == "resource_local_to_scene" || pi.name.begins_with("script/") || pi.name.begins_with("_global_script")) { //skip resource stuff
@@ -221,9 +220,7 @@ void SectionedInspector::update_category_list() {
 		filter = search_box->get_text();
 	}
 
-	for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
-		PropertyInfo pi = E->get();
-
+	for (PropertyInfo &pi : pinfo) {
 		if (pi.usage & PROPERTY_USAGE_CATEGORY) {
 			continue;
 		} else if (!(pi.usage & PROPERTY_USAGE_EDITOR) || (restrict_to_basic && !(pi.usage & PROPERTY_USAGE_EDITOR_BASIC_SETTING))) {

editor/editor_settings.cpp

@@ -759,8 +759,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 			List<String> keys;
 			p_extra_config->get_section_keys("presets", &keys);
 
-			for (List<String>::Element *E = keys.front(); E; E = E->next()) {
-				String key = E->get();
+			for (String &key : keys) {
 				Variant val = p_extra_config->get_value("presets", key);
 				set(key, val);
 			}
@@ -815,8 +814,7 @@ bool EditorSettings::_save_text_editor_theme(String p_file) {
 	props.get_key_list(&keys);
 	keys.sort();
 
-	for (const List<String>::Element *E = keys.front(); E; E = E->next()) {
-		const String &key = E->get();
+	for (const String &key : keys) {
 		if (key.begins_with("text_editor/highlighting/") && key.find("color") >= 0) {
 			cf->set_value(theme_section, key.replace("text_editor/highlighting/", ""), ((Color)props[key].variant).to_html());
 		}
@@ -1015,15 +1013,13 @@ void EditorSettings::setup_network() {
 	String selected = "127.0.0.1";
 
 	// Check that current remote_host is a valid interface address and populate hints.
-	for (List<IPAddress>::Element *E = local_ip.front(); E; E = E->next()) {
-		String ip = E->get();
-
+	for (IPAddress &ip : local_ip) {
 		// link-local IPv6 addresses don't work, skipping them
-		if (ip.begins_with("fe80:0:0:0:")) { // fe80::/64
+		if (String(ip).begins_with("fe80:0:0:0:")) { // fe80::/64
 			continue;
 		}
 		// Same goes for IPv4 link-local (APIPA) addresses.
-		if (ip.begins_with("169.254.")) { // 169.254.0.0/16
+		if (String(ip).begins_with("169.254.")) { // 169.254.0.0/16
 			continue;
 		}
 		// Select current IP (found)
@@ -1303,8 +1299,8 @@ void EditorSettings::list_text_editor_themes() {
 		memdelete(d);
 
 		custom_themes.sort();
-		for (List<String>::Element *E = custom_themes.front(); E; E = E->next()) {
-			themes += "," + E->get();
+		for (String &E : custom_themes) {
+			themes += "," + E;
 		}
 	}
 	add_property_hint(PropertyInfo(Variant::STRING, "text_editor/theme/color_theme", PROPERTY_HINT_ENUM, themes));
@@ -1332,8 +1328,7 @@ void EditorSettings::load_text_editor_theme() {
 	List<String> keys;
 	cf->get_section_keys("color_theme", &keys);
 
-	for (List<String>::Element *E = keys.front(); E; E = E->next()) {
-		String key = E->get();
+	for (String &key : keys) {
 		String val = cf->get_value("color_theme", key);
 
 		// don't load if it's not already there!
@@ -1585,8 +1580,8 @@ void EditorSettings::set_builtin_action_override(const String &p_name, const Arr
 			int event_idx = 0;
 
 			// Check equality of each event.
-			for (List<Ref<InputEvent>>::Element *E = builtin_events.front(); E; E = E->next()) {
-				if (!E->get()->is_match(p_events[event_idx])) {
+			for (Ref<InputEvent> E : builtin_events) {
+				if (!E->is_match(p_events[event_idx])) {
 					same_as_builtin = false;
 					break;
 				}
@@ -1615,8 +1610,8 @@ const Array EditorSettings::get_builtin_action_overrides(const String &p_name) c
 		Array event_array;
 
 		List<Ref<InputEvent>> events_list = AO->get();
-		for (List<Ref<InputEvent>>::Element *E = events_list.front(); E; E = E->next()) {
-			event_array.push_back(E->get());
+		for (Ref<InputEvent> E : events_list) {
+			event_array.push_back(E);
 		}
 		return event_array;
 	}

editor/filesystem_dock.cpp

@@ -135,9 +135,7 @@ bool FileSystemDock::_create_tree(TreeItem *p_parent, EditorFileSystemDirectory
 		_sort_file_info_list(file_list);
 
 		// Build the tree.
-		for (List<FileInfo>::Element *E = file_list.front(); E; E = E->next()) {
-			FileInfo fi = E->get();
-
+		for (FileInfo &fi : file_list) {
 			TreeItem *file_item = tree->create_item(subdirectory_item);
 			file_item->set_text(0, fi.name);
 			file_item->set_structured_text_bidi_override(0, STRUCTURED_TEXT_FILE);
@@ -869,8 +867,8 @@ void FileSystemDock::_update_file_list(bool p_keep_selection) {
 	// Fills the ItemList control node from the FileInfos.
 	String main_scene = ProjectSettings::get_singleton()->get("application/run/main_scene");
 	String oi = "Object";
-	for (List<FileInfo>::Element *E = file_list.front(); E; E = E->next()) {
-		FileInfo *finfo = &(E->get());
+	for (FileInfo &E : file_list) {
+		FileInfo *finfo = &(E);
 		String fname = finfo->name;
 		String fpath = finfo->path;
 		String ftype = finfo->type;
@@ -966,8 +964,8 @@ void FileSystemDock::_select_file(const String &p_path, bool p_select_in_favorit
 				List<String> importer_exts;
 				ResourceImporterScene::get_singleton()->get_recognized_extensions(&importer_exts);
 				String extension = fpath.get_extension();
-				for (List<String>::Element *E = importer_exts.front(); E; E = E->next()) {
-					if (extension.nocasecmp_to(E->get()) == 0) {
+				for (String &E : importer_exts) {
+					if (extension.nocasecmp_to(E) == 0) {
 						is_imported = true;
 						break;
 					}
@@ -1239,9 +1237,7 @@ void FileSystemDock::_update_resource_paths_after_move(const Map<String, String>
 	List<Ref<Resource>> cached;
 	ResourceCache::get_cached_resources(&cached);
 
-	for (List<Ref<Resource>>::Element *E = cached.front(); E; E = E->next()) {
-		Ref<Resource> r = E->get();
-
+	for (Ref<Resource> r : cached) {
 		String base_path = r->get_path();
 		String extra_path;
 		int sep_pos = r->get_path().find("::");
@@ -1317,16 +1313,16 @@ void FileSystemDock::_update_project_settings_after_move(const Map<String, Strin
 	// Also search for the file in autoload, as they are stored differently from normal files.
 	List<PropertyInfo> property_list;
 	ProjectSettings::get_singleton()->get_property_list(&property_list);
-	for (const List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
-		if (E->get().name.begins_with("autoload/")) {
+	for (const PropertyInfo &E : property_list) {
+		if (E.name.begins_with("autoload/")) {
 			// If the autoload resource paths has a leading "*", it indicates that it is a Singleton,
 			// so we have to handle both cases when updating.
-			String autoload = GLOBAL_GET(E->get().name);
+			String autoload = GLOBAL_GET(E.name);
 			String autoload_singleton = autoload.substr(1, autoload.length());
 			if (p_renames.has(autoload)) {
-				ProjectSettings::get_singleton()->set_setting(E->get().name, p_renames[autoload]);
+				ProjectSettings::get_singleton()->set_setting(E.name, p_renames[autoload]);
 			} else if (autoload.begins_with("*") && p_renames.has(autoload_singleton)) {
-				ProjectSettings::get_singleton()->set_setting(E->get().name, "*" + p_renames[autoload_singleton]);
+				ProjectSettings::get_singleton()->set_setting(E.name, "*" + p_renames[autoload_singleton]);
 			}
 		}
 	}
@@ -1417,8 +1413,8 @@ void FileSystemDock::_make_scene_confirm() {
 	ResourceSaver::get_recognized_extensions(sd, &extensions);
 
 	bool extension_correct = false;
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		if (E->get() == extension) {
+	for (String &E : extensions) {
+		if (E == extension) {
 			extension_correct = true;
 			break;
 		}

editor/groups_editor.cpp

@@ -240,8 +240,7 @@ void GroupDialog::_group_renamed() {
 	List<Node *> nodes;
 	scene_tree->get_nodes_in_group(selected_group, &nodes);
 	bool removed_all = true;
-	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
-		Node *node = E->get();
+	for (Node *node : nodes) {
 		if (_can_edit(node, selected_group)) {
 			undo_redo->add_do_method(node, "remove_from_group", selected_group);
 			undo_redo->add_undo_method(node, "remove_from_group", name);
@@ -286,11 +285,11 @@ void GroupDialog::_load_groups(Node *p_current) {
 	List<Node::GroupInfo> gi;
 	p_current->get_groups(&gi);
 
-	for (List<Node::GroupInfo>::Element *E = gi.front(); E; E = E->next()) {
-		if (!E->get().persistent) {
+	for (Node::GroupInfo &E : gi) {
+		if (!E.persistent) {
 			continue;
 		}
-		_add_group(E->get().name);
+		_add_group(E.name);
 	}
 
 	for (int i = 0; i < p_current->get_child_count(); i++) {
@@ -311,10 +310,10 @@ void GroupDialog::_delete_group_pressed(Object *p_item, int p_column, int p_id)
 	List<Node *> nodes;
 	scene_tree->get_nodes_in_group(name, &nodes);
 	bool removed_all = true;
-	for (List<Node *>::Element *E = nodes.front(); E; E = E->next()) {
-		if (_can_edit(E->get(), name)) {
-			undo_redo->add_do_method(E->get(), "remove_from_group", name);
-			undo_redo->add_undo_method(E->get(), "add_to_group", name, true);
+	for (Node *E : nodes) {
+		if (_can_edit(E, name)) {
+			undo_redo->add_do_method(E, "remove_from_group", name);
+			undo_redo->add_undo_method(E, "add_to_group", name, true);
 		} else {
 			removed_all = false;
 		}
@@ -628,8 +627,7 @@ void GroupsEditor::update_tree() {
 
 	TreeItem *root = tree->create_item();
 
-	for (List<GroupInfo>::Element *E = groups.front(); E; E = E->next()) {
-		Node::GroupInfo gi = E->get();
+	for (GroupInfo &gi : groups) {
 		if (!gi.persistent) {
 			continue;
 		}

editor/import/editor_import_collada.cpp

@@ -894,8 +894,8 @@ Error ColladaImport::_create_mesh_surfaces(bool p_optimize, Ref<EditorSceneImpor
 				surftool->add_vertex(vertex_array[k].vertex);
 			}
 
-			for (List<int>::Element *E = indices_list.front(); E; E = E->next()) {
-				surftool->add_index(E->get());
+			for (int &E : indices_list) {
+				surftool->add_index(E);
 			}
 
 			if (!normal_src) {

editor/import/resource_importer_obj.cpp

@@ -438,17 +438,16 @@ Node *EditorOBJImporter::import_scene(const String &p_path, uint32_t p_flags, in
 
 	Node3D *scene = memnew(Node3D);
 
-	for (List<Ref<Mesh>>::Element *E = meshes.front(); E; E = E->next()) {
+	for (Ref<Mesh> m : meshes) {
 		Ref<EditorSceneImporterMesh> mesh;
 		mesh.instantiate();
-		Ref<Mesh> m = E->get();
 		for (int i = 0; i < m->get_surface_count(); i++) {
 			mesh->add_surface(m->surface_get_primitive_type(i), m->surface_get_arrays(i), Array(), Dictionary(), m->surface_get_material(i));
 		}
 
 		EditorSceneImporterMeshNode3D *mi = memnew(EditorSceneImporterMeshNode3D);
 		mi->set_mesh(mesh);
-		mi->set_name(E->get()->get_name());
+		mi->set_name(m->get_name());
 		scene->add_child(mi);
 		mi->set_owner(scene);
 	}

editor/import/resource_importer_scene.cpp

@@ -312,8 +312,8 @@ Node *ResourceImporterScene::_pre_fix_node(Node *p_node, Node *p_root, Map<Ref<E
 
 		List<StringName> anims;
 		ap->get_animation_list(&anims);
-		for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
-			Ref<Animation> anim = ap->get_animation(E->get());
+		for (StringName &E : anims) {
+			Ref<Animation> anim = ap->get_animation(E);
 			ERR_CONTINUE(anim.is_null());
 			for (int i = 0; i < anim->get_track_count(); i++) {
 				NodePath path = anim->track_get_path(i);
@@ -328,14 +328,14 @@ Node *ResourceImporterScene::_pre_fix_node(Node *p_node, Node *p_root, Map<Ref<E
 				}
 			}
 
-			String animname = E->get();
+			String animname = E;
 			const int loop_string_count = 3;
 			static const char *loop_strings[loop_string_count] = { "loops", "loop", "cycle" };
 			for (int i = 0; i < loop_string_count; i++) {
 				if (_teststr(animname, loop_strings[i])) {
 					anim->set_loop(true);
 					animname = _fixstr(animname, loop_strings[i]);
-					ap->rename_animation(E->get(), animname);
+					ap->rename_animation(E, animname);
 				}
 			}
 		}
@@ -659,9 +659,9 @@ Node *ResourceImporterScene::_post_fix_node(Node *p_node, Node *p_root, Map<Ref<
 						}
 
 						int idx = 0;
-						for (List<Ref<Shape3D>>::Element *E = shapes.front(); E; E = E->next()) {
+						for (Ref<Shape3D> &E : shapes) {
 							CollisionShape3D *cshape = memnew(CollisionShape3D);
-							cshape->set_shape(E->get());
+							cshape->set_shape(E);
 							base->add_child(cshape);
 
 							cshape->set_owner(base->get_owner());
@@ -712,9 +712,9 @@ Node *ResourceImporterScene::_post_fix_node(Node *p_node, Node *p_root, Map<Ref<
 			//fill node settings for this node with default values
 			List<ImportOption> iopts;
 			get_internal_import_options(INTERNAL_IMPORT_CATEGORY_ANIMATION_NODE, &iopts);
-			for (List<ImportOption>::Element *E = iopts.front(); E; E = E->next()) {
-				if (!node_settings.has(E->get().option.name)) {
-					node_settings[E->get().option.name] = E->get().default_value;
+			for (ImportOption &E : iopts) {
+				if (!node_settings.has(E.option.name)) {
+					node_settings[E.option.name] = E.default_value;
 				}
 			}
 		}
@@ -756,8 +756,7 @@ Node *ResourceImporterScene::_post_fix_node(Node *p_node, Node *p_root, Map<Ref<
 		} else {
 			List<StringName> anims;
 			ap->get_animation_list(&anims);
-			for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
-				String name = E->get();
+			for (StringName &name : anims) {
 				Ref<Animation> anim = ap->get_animation(name);
 				if (p_animation_data.has(name)) {
 					Dictionary anim_settings = p_animation_data[name];
@@ -765,9 +764,9 @@ Node *ResourceImporterScene::_post_fix_node(Node *p_node, Node *p_root, Map<Ref<
 						//fill with default values
 						List<ImportOption> iopts;
 						get_internal_import_options(INTERNAL_IMPORT_CATEGORY_ANIMATION, &iopts);
-						for (List<ImportOption>::Element *F = iopts.front(); F; F = F->next()) {
-							if (!anim_settings.has(F->get().option.name)) {
-								anim_settings[F->get().option.name] = F->get().default_value;
+						for (ImportOption &F : iopts) {
+							if (!anim_settings.has(F.option.name)) {
+								anim_settings[F.option.name] = F.default_value;
 							}
 						}
 					}
@@ -936,8 +935,8 @@ void ResourceImporterScene::_create_clips(AnimationPlayer *anim, const Array &p_
 void ResourceImporterScene::_optimize_animations(AnimationPlayer *anim, float p_max_lin_error, float p_max_ang_error, float p_max_angle) {
 	List<StringName> anim_names;
 	anim->get_animation_list(&anim_names);
-	for (List<StringName>::Element *E = anim_names.front(); E; E = E->next()) {
-		Ref<Animation> a = anim->get_animation(E->get());
+	for (StringName &E : anim_names) {
+		Ref<Animation> a = anim->get_animation(E);
 		a->optimize(p_max_lin_error, p_max_ang_error, Math::deg2rad(p_max_angle));
 	}
 }
@@ -1046,11 +1045,11 @@ void ResourceImporterScene::get_import_options(List<ImportOption> *r_options, in
 
 	String script_ext_hint;
 
-	for (List<String>::Element *E = script_extentions.front(); E; E = E->next()) {
+	for (String &E : script_extentions) {
 		if (script_ext_hint != "") {
 			script_ext_hint += ",";
 		}
-		script_ext_hint += "*." + E->get();
+		script_ext_hint += "*." + E;
 	}
 
 	r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "nodes/root_scale", PROPERTY_HINT_RANGE, "0.001,1000,0.001"), 1.0));
@@ -1089,9 +1088,9 @@ Node *ResourceImporterScene::import_scene_from_other_importer(EditorSceneImporte
 		List<String> extensions;
 		E->get()->get_extensions(&extensions);
 
-		for (List<String>::Element *F = extensions.front(); F; F = F->next()) {
-			if (F->get().to_lower() == ext) {
-				importer = E->get();
+		for (String &F : extensions) {
+			if (F.to_lower() == ext) {
+				importer = E;
 				break;
 			}
 		}
@@ -1119,9 +1118,9 @@ Ref<Animation> ResourceImporterScene::import_animation_from_other_importer(Edito
 		List<String> extensions;
 		E->get()->get_extensions(&extensions);
 
-		for (List<String>::Element *F = extensions.front(); F; F = F->next()) {
-			if (F->get().to_lower() == ext) {
-				importer = E->get();
+		for (String &F : extensions) {
+			if (F.to_lower() == ext) {
+				importer = E;
 				break;
 			}
 		}
@@ -1291,9 +1290,9 @@ void ResourceImporterScene::_generate_meshes(Node *p_node, const Dictionary &p_m
 }
 
 void ResourceImporterScene::_add_shapes(Node *p_node, const List<Ref<Shape3D>> &p_shapes) {
-	for (const List<Ref<Shape3D>>::Element *E = p_shapes.front(); E; E = E->next()) {
+	for (const Ref<Shape3D> &E : p_shapes) {
 		CollisionShape3D *cshape = memnew(CollisionShape3D);
-		cshape->set_shape(E->get());
+		cshape->set_shape(E);
 		p_node->add_child(cshape);
 
 		cshape->set_owner(p_node->get_owner());
@@ -1311,9 +1310,9 @@ Node *ResourceImporterScene::pre_import(const String &p_source_file) {
 		List<String> extensions;
 		E->get()->get_extensions(&extensions);
 
-		for (List<String>::Element *F = extensions.front(); F; F = F->next()) {
-			if (F->get().to_lower() == ext) {
-				importer = E->get();
+		for (String &F : extensions) {
+			if (F.to_lower() == ext) {
+				importer = E;
 				break;
 			}
 		}
@@ -1351,9 +1350,9 @@ Error ResourceImporterScene::import(const String &p_source_file, const String &p
 		List<String> extensions;
 		E->get()->get_extensions(&extensions);
 
-		for (List<String>::Element *F = extensions.front(); F; F = F->next()) {
-			if (F->get().to_lower() == ext) {
-				importer = E->get();
+		for (String &F : extensions) {
+			if (F.to_lower() == ext) {
+				importer = E;
 				break;
 			}
 		}

editor/import/scene_import_settings.cpp

@@ -71,9 +71,9 @@ class SceneImportSettingsData : public Object {
 		return false;
 	}
 	void _get_property_list(List<PropertyInfo> *p_list) const {
-		for (const List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-			if (ResourceImporterScene::get_singleton()->get_internal_option_visibility(category, E->get().option.name, current)) {
-				p_list->push_back(E->get().option);
+		for (const ResourceImporter::ImportOption &E : options) {
+			if (ResourceImporterScene::get_singleton()->get_internal_option_visibility(category, E.option.name, current)) {
+				p_list->push_back(E.option);
 			}
 		}
 	}
@@ -305,8 +305,8 @@ void SceneImportSettings::_fill_scene(Node *p_node, TreeItem *p_parent_item) {
 	if (anim_node) {
 		List<StringName> animations;
 		anim_node->get_animation_list(&animations);
-		for (List<StringName>::Element *E = animations.front(); E; E = E->next()) {
-			_fill_animation(scene_tree, anim_node->get_animation(E->get()), E->get(), item);
+		for (StringName &E : animations) {
+			_fill_animation(scene_tree, anim_node->get_animation(E), E, item);
 		}
 	}
 
@@ -394,8 +394,8 @@ void SceneImportSettings::_load_default_subresource_settings(Map<StringName, Var
 			d = d[p_import_id];
 			List<ResourceImporterScene::ImportOption> options;
 			ResourceImporterScene::get_singleton()->get_internal_import_options(p_category, &options);
-			for (List<ResourceImporterScene::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-				String key = E->get().option.name;
+			for (ResourceImporterScene::ImportOption &E : options) {
+				String key = E.option.name;
 				if (d.has(key)) {
 					settings[key] = d[key];
 				}
@@ -440,12 +440,12 @@ void SceneImportSettings::open_settings(const String &p_path) {
 		if (err == OK) {
 			List<String> keys;
 			config->get_section_keys("params", &keys);
-			for (List<String>::Element *E = keys.front(); E; E = E->next()) {
-				Variant value = config->get_value("params", E->get());
-				if (E->get() == "_subresources") {
+			for (String &E : keys) {
+				Variant value = config->get_value("params", E);
+				if (E == "_subresources") {
 					base_subresource_settings = value;
 				} else {
-					defaults[E->get()] = value;
+					defaults[E] = value;
 				}
 			}
 		}
@@ -605,13 +605,13 @@ void SceneImportSettings::_select(Tree *p_from, String p_type, String p_id) {
 	scene_import_settings_data->defaults.clear();
 	scene_import_settings_data->current.clear();
 
-	for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-		scene_import_settings_data->defaults[E->get().option.name] = E->get().default_value;
+	for (ResourceImporter::ImportOption &E : options) {
+		scene_import_settings_data->defaults[E.option.name] = E.default_value;
 		//needed for visibility toggling (fails if something is missing)
-		if (scene_import_settings_data->settings->has(E->get().option.name)) {
-			scene_import_settings_data->current[E->get().option.name] = (*scene_import_settings_data->settings)[E->get().option.name];
+		if (scene_import_settings_data->settings->has(E.option.name)) {
+			scene_import_settings_data->current[E.option.name] = (*scene_import_settings_data->settings)[E.option.name];
 		} else {
-			scene_import_settings_data->current[E->get().option.name] = E->get().default_value;
+			scene_import_settings_data->current[E.option.name] = E.default_value;
 		}
 	}
 	scene_import_settings_data->options = options;

editor/import/scene_importer_mesh.cpp

@@ -79,11 +79,11 @@ void EditorSceneImporterMesh::add_surface(Mesh::PrimitiveType p_primitive, const
 
 	List<Variant> lods;
 	p_lods.get_key_list(&lods);
-	for (List<Variant>::Element *E = lods.front(); E; E = E->next()) {
-		ERR_CONTINUE(!E->get().is_num());
+	for (Variant &E : lods) {
+		ERR_CONTINUE(!E.is_num());
 		Surface::LOD lod;
-		lod.distance = E->get();
-		lod.indices = p_lods[E->get()];
+		lod.distance = E;
+		lod.indices = p_lods[E];
 		ERR_CONTINUE(lod.indices.size() == 0);
 		s.lods.push_back(lod);
 	}

editor/import_defaults_editor.cpp

@@ -61,9 +61,9 @@ protected:
 		if (importer.is_null()) {
 			return;
 		}
-		for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
-			if (importer->get_option_visibility(E->get().name, values)) {
-				p_list->push_back(E->get());
+		for (const PropertyInfo &E : properties) {
+			if (importer->get_option_visibility(E.name, values)) {
+				p_list->push_back(E);
 			}
 		}
 	}
@@ -106,9 +106,9 @@ void ImportDefaultsEditor::_update_importer() {
 	List<Ref<ResourceImporter>> importer_list;
 	ResourceFormatImporter::get_singleton()->get_importers(&importer_list);
 	Ref<ResourceImporter> importer;
-	for (List<Ref<ResourceImporter>>::Element *E = importer_list.front(); E; E = E->next()) {
-		if (E->get()->get_visible_name() == importers->get_item_text(importers->get_selected())) {
-			importer = E->get();
+	for (Ref<ResourceImporter> E : importer_list) {
+		if (E->get_visible_name() == importers->get_item_text(importers->get_selected())) {
+			importer = E;
 			break;
 		}
 	}
@@ -125,14 +125,14 @@ void ImportDefaultsEditor::_update_importer() {
 			d = ProjectSettings::get_singleton()->get("importer_defaults/" + importer->get_importer_name());
 		}
 
-		for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-			settings->properties.push_back(E->get().option);
-			if (d.has(E->get().option.name)) {
-				settings->values[E->get().option.name] = d[E->get().option.name];
+		for (ResourceImporter::ImportOption &E : options) {
+			settings->properties.push_back(E.option);
+			if (d.has(E.option.name)) {
+				settings->values[E.option.name] = d[E.option.name];
 			} else {
-				settings->values[E->get().option.name] = E->get().default_value;
+				settings->values[E.option.name] = E.default_value;
 			}
-			settings->default_values[E->get().option.name] = E->get().default_value;
+			settings->default_values[E.option.name] = E.default_value;
 		}
 
 		save_defaults->set_disabled(false);
@@ -166,8 +166,8 @@ void ImportDefaultsEditor::clear() {
 	List<Ref<ResourceImporter>> importer_list;
 	ResourceFormatImporter::get_singleton()->get_importers(&importer_list);
 	Vector<String> names;
-	for (List<Ref<ResourceImporter>>::Element *E = importer_list.front(); E; E = E->next()) {
-		String vn = E->get()->get_visible_name();
+	for (Ref<ResourceImporter> E : importer_list) {
+		String vn = E->get_visible_name();
 		names.push_back(vn);
 	}
 	names.sort();

editor/import_dock.cpp

@@ -65,14 +65,14 @@ public:
 		return false;
 	}
 	void _get_property_list(List<PropertyInfo> *p_list) const {
-		for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
-			if (!importer->get_option_visibility(E->get().name, values)) {
+		for (const PropertyInfo &E : properties) {
+			if (!importer->get_option_visibility(E.name, values)) {
 				continue;
 			}
-			PropertyInfo pi = E->get();
+			PropertyInfo pi = E;
 			if (checking) {
 				pi.usage |= PROPERTY_USAGE_CHECKABLE;
-				if (checked.has(E->get().name)) {
+				if (checked.has(E.name)) {
 					pi.usage |= PROPERTY_USAGE_CHECKED;
 				}
 			}
@@ -111,18 +111,18 @@ void ImportDock::set_edit_path(const String &p_path) {
 	ResourceFormatImporter::get_singleton()->get_importers_for_extension(p_path.get_extension(), &importers);
 	List<Pair<String, String>> importer_names;
 
-	for (List<Ref<ResourceImporter>>::Element *E = importers.front(); E; E = E->next()) {
-		importer_names.push_back(Pair<String, String>(E->get()->get_visible_name(), E->get()->get_importer_name()));
+	for (Ref<ResourceImporter> E : importers) {
+		importer_names.push_back(Pair<String, String>(E->get_visible_name(), E->get_importer_name()));
 	}
 
 	importer_names.sort_custom<PairSort<String, String>>();
 
 	import_as->clear();
 
-	for (List<Pair<String, String>>::Element *E = importer_names.front(); E; E = E->next()) {
-		import_as->add_item(E->get().first);
-		import_as->set_item_metadata(import_as->get_item_count() - 1, E->get().second);
-		if (E->get().second == importer_name) {
+	for (Pair<String, String> &E : importer_names) {
+		import_as->add_item(E.first);
+		import_as->set_item_metadata(import_as->get_item_count() - 1, E.second);
+		if (E.second == importer_name) {
 			import_as->select(import_as->get_item_count() - 1);
 		}
 	}
@@ -153,12 +153,12 @@ void ImportDock::_update_options(const Ref<ConfigFile> &p_config) {
 	params->checking = params->paths.size() > 1;
 	params->checked.clear();
 
-	for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-		params->properties.push_back(E->get().option);
-		if (p_config.is_valid() && p_config->has_section_key("params", E->get().option.name)) {
-			params->values[E->get().option.name] = p_config->get_value("params", E->get().option.name);
+	for (ResourceImporter::ImportOption &E : options) {
+		params->properties.push_back(E.option);
+		if (p_config.is_valid() && p_config->has_section_key("params", E.option.name)) {
+			params->values[E.option.name] = p_config->get_value("params", E.option.name);
 		} else {
-			params->values[E->get().option.name] = E->get().default_value;
+			params->values[E.option.name] = E.default_value;
 		}
 	}
 
@@ -201,17 +201,17 @@ void ImportDock::set_edit_multiple_paths(const Vector<String> &p_paths) {
 		List<String> keys;
 		config->get_section_keys("params", &keys);
 
-		for (List<String>::Element *E = keys.front(); E; E = E->next()) {
-			if (!value_frequency.has(E->get())) {
-				value_frequency[E->get()] = Dictionary();
+		for (String &E : keys) {
+			if (!value_frequency.has(E)) {
+				value_frequency[E] = Dictionary();
 			}
 
-			Variant value = config->get_value("params", E->get());
+			Variant value = config->get_value("params", E);
 
-			if (value_frequency[E->get()].has(value)) {
-				value_frequency[E->get()][value] = int(value_frequency[E->get()][value]) + 1;
+			if (value_frequency[E].has(value)) {
+				value_frequency[E][value] = int(value_frequency[E][value]) + 1;
 			} else {
-				value_frequency[E->get()][value] = 1;
+				value_frequency[E][value] = 1;
 			}
 		}
 	}
@@ -226,25 +226,25 @@ void ImportDock::set_edit_multiple_paths(const Vector<String> &p_paths) {
 	params->checking = true;
 	params->checked.clear();
 
-	for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-		params->properties.push_back(E->get().option);
+	for (ResourceImporter::ImportOption &E : options) {
+		params->properties.push_back(E.option);
 
-		if (value_frequency.has(E->get().option.name)) {
-			Dictionary d = value_frequency[E->get().option.name];
+		if (value_frequency.has(E.option.name)) {
+			Dictionary d = value_frequency[E.option.name];
 			int freq = 0;
 			List<Variant> v;
 			d.get_key_list(&v);
 			Variant value;
-			for (List<Variant>::Element *F = v.front(); F; F = F->next()) {
-				int f = d[F->get()];
+			for (Variant &F : v) {
+				int f = d[F];
 				if (f > freq) {
-					value = F->get();
+					value = F;
 				}
 			}
 
-			params->values[E->get().option.name] = value;
+			params->values[E.option.name] = value;
 		} else {
-			params->values[E->get().option.name] = E->get().default_value;
+			params->values[E.option.name] = E.default_value;
 		}
 	}
 
@@ -254,18 +254,18 @@ void ImportDock::set_edit_multiple_paths(const Vector<String> &p_paths) {
 	ResourceFormatImporter::get_singleton()->get_importers_for_extension(p_paths[0].get_extension(), &importers);
 	List<Pair<String, String>> importer_names;
 
-	for (List<Ref<ResourceImporter>>::Element *E = importers.front(); E; E = E->next()) {
-		importer_names.push_back(Pair<String, String>(E->get()->get_visible_name(), E->get()->get_importer_name()));
+	for (Ref<ResourceImporter> E : importers) {
+		importer_names.push_back(Pair<String, String>(E->get_visible_name(), E->get_importer_name()));
 	}
 
 	importer_names.sort_custom<PairSort<String, String>>();
 
 	import_as->clear();
 
-	for (List<Pair<String, String>>::Element *E = importer_names.front(); E; E = E->next()) {
-		import_as->add_item(E->get().first);
-		import_as->set_item_metadata(import_as->get_item_count() - 1, E->get().second);
-		if (E->get().second == params->importer->get_importer_name()) {
+	for (Pair<String, String> &E : importer_names) {
+		import_as->add_item(E.first);
+		import_as->set_item_metadata(import_as->get_item_count() - 1, E.second);
+		if (E.second == params->importer->get_importer_name()) {
 			import_as->select(import_as->get_item_count() - 1);
 		}
 	}
@@ -345,8 +345,8 @@ void ImportDock::_preset_selected(int p_idx) {
 		case ITEM_SET_AS_DEFAULT: {
 			Dictionary d;
 
-			for (const List<PropertyInfo>::Element *E = params->properties.front(); E; E = E->next()) {
-				d[E->get().name] = params->values[E->get().name];
+			for (const PropertyInfo &E : params->properties) {
+				d[E.name] = params->values[E.name];
 			}
 
 			ProjectSettings::get_singleton()->set("importer_defaults/" + params->importer->get_importer_name(), d);
@@ -363,10 +363,10 @@ void ImportDock::_preset_selected(int p_idx) {
 			if (params->checking) {
 				params->checked.clear();
 			}
-			for (List<Variant>::Element *E = v.front(); E; E = E->next()) {
-				params->values[E->get()] = d[E->get()];
+			for (Variant &E : v) {
+				params->values[E] = d[E];
 				if (params->checking) {
-					params->checked.insert(E->get());
+					params->checked.insert(E);
 				}
 			}
 			params->update();
@@ -384,10 +384,10 @@ void ImportDock::_preset_selected(int p_idx) {
 			if (params->checking) {
 				params->checked.clear();
 			}
-			for (List<ResourceImporter::ImportOption>::Element *E = options.front(); E; E = E->next()) {
-				params->values[E->get().option.name] = E->get().default_value;
+			for (ResourceImporter::ImportOption &E : options) {
+				params->values[E.option.name] = E.default_value;
 				if (params->checking) {
-					params->checked.insert(E->get().option.name);
+					params->checked.insert(E.option.name);
 				}
 			}
 			params->update();
@@ -486,9 +486,9 @@ void ImportDock::_reimport() {
 
 			if (params->checking && config->get_value("remap", "importer") == params->importer->get_importer_name()) {
 				//update only what is edited (checkboxes) if the importer is the same
-				for (List<PropertyInfo>::Element *E = params->properties.front(); E; E = E->next()) {
-					if (params->checked.has(E->get().name)) {
-						config->set_value("params", E->get().name, params->values[E->get().name]);
+				for (PropertyInfo &E : params->properties) {
+					if (params->checked.has(E.name)) {
+						config->set_value("params", E.name, params->values[E.name]);
 					}
 				}
 			} else {
@@ -498,8 +498,8 @@ void ImportDock::_reimport() {
 					config->erase_section("params");
 				}
 
-				for (List<PropertyInfo>::Element *E = params->properties.front(); E; E = E->next()) {
-					config->set_value("params", E->get().name, params->values[E->get().name]);
+				for (PropertyInfo &E : params->properties) {
+					config->set_value("params", E.name, params->values[E.name]);
 				}
 			}
 

editor/inspector_dock.cpp

@@ -87,12 +87,12 @@ void InspectorDock::_menu_option(int p_option) {
 				List<PropertyInfo> props;
 				current->get_property_list(&props);
 				Map<RES, RES> duplicates;
-				for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-					if (!(E->get().usage & PROPERTY_USAGE_STORAGE)) {
+				for (PropertyInfo &E : props) {
+					if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
 						continue;
 					}
 
-					Variant v = current->get(E->get().name);
+					Variant v = current->get(E.name);
 					if (v.is_ref()) {
 						REF ref = v;
 						if (ref.is_valid()) {
@@ -103,8 +103,8 @@ void InspectorDock::_menu_option(int p_option) {
 								}
 								res = duplicates[res];
 
-								current->set(E->get().name, res);
-								editor->get_inspector()->update_property(E->get().name);
+								current->set(E.name, res);
+								editor->get_inspector()->update_property(E.name);
 							}
 						}
 					}

editor/localization_editor.cpp

@@ -43,15 +43,15 @@ void LocalizationEditor::_notification(int p_what) {
 
 		List<String> tfn;
 		ResourceLoader::get_recognized_extensions_for_type("Translation", &tfn);
-		for (List<String>::Element *E = tfn.front(); E; E = E->next()) {
-			translation_file_open->add_filter("*." + E->get());
+		for (String &E : tfn) {
+			translation_file_open->add_filter("*." + E);
 		}
 
 		List<String> rfn;
 		ResourceLoader::get_recognized_extensions_for_type("Resource", &rfn);
-		for (List<String>::Element *E = rfn.front(); E; E = E->next()) {
-			translation_res_file_open_dialog->add_filter("*." + E->get());
-			translation_res_option_file_open_dialog->add_filter("*." + E->get());
+		for (String &E : rfn) {
+			translation_res_file_open_dialog->add_filter("*." + E);
+			translation_res_option_file_open_dialog->add_filter("*." + E);
 		}
 
 		_update_pot_file_extensions();
@@ -430,8 +430,8 @@ void LocalizationEditor::_update_pot_file_extensions() {
 	pot_file_open_dialog->clear_filters();
 	List<String> translation_parse_file_extensions;
 	EditorTranslationParser::get_singleton()->get_recognized_extensions(&translation_parse_file_extensions);
-	for (List<String>::Element *E = translation_parse_file_extensions.front(); E; E = E->next()) {
-		pot_file_open_dialog->add_filter("*." + E->get());
+	for (String &E : translation_parse_file_extensions) {
+		pot_file_open_dialog->add_filter("*." + E);
 	}
 }
 
@@ -560,8 +560,8 @@ void LocalizationEditor::update_translations() {
 		List<Variant> rk;
 		remaps.get_key_list(&rk);
 		Vector<String> keys;
-		for (List<Variant>::Element *E = rk.front(); E; E = E->next()) {
-			keys.push_back(E->get());
+		for (Variant &E : rk) {
+			keys.push_back(E);
 		}
 		keys.sort();
 

editor/multi_node_edit.cpp

@@ -52,12 +52,12 @@ bool MultiNodeEdit::_set_impl(const StringName &p_name, const Variant &p_value,
 	UndoRedo *ur = EditorNode::get_undo_redo();
 
 	ur->create_action(TTR("MultiNode Set") + " " + String(name), UndoRedo::MERGE_ENDS);
-	for (const List<NodePath>::Element *E = nodes.front(); E; E = E->next()) {
-		if (!es->has_node(E->get())) {
+	for (const NodePath &E : nodes) {
+		if (!es->has_node(E)) {
 			continue;
 		}
 
-		Node *n = es->get_node(E->get());
+		Node *n = es->get_node(E);
 		if (!n) {
 			continue;
 		}
@@ -98,12 +98,12 @@ bool MultiNodeEdit::_get(const StringName &p_name, Variant &r_ret) const {
 		name = "script";
 	}
 
-	for (const List<NodePath>::Element *E = nodes.front(); E; E = E->next()) {
-		if (!es->has_node(E->get())) {
+	for (const NodePath &E : nodes) {
+		if (!es->has_node(E)) {
 			continue;
 		}
 
-		const Node *n = es->get_node(E->get());
+		const Node *n = es->get_node(E);
 		if (!n) {
 			continue;
 		}
@@ -130,12 +130,12 @@ void MultiNodeEdit::_get_property_list(List<PropertyInfo> *p_list) const {
 
 	List<PLData *> data_list;
 
-	for (const List<NodePath>::Element *E = nodes.front(); E; E = E->next()) {
-		if (!es->has_node(E->get())) {
+	for (const NodePath &E : nodes) {
+		if (!es->has_node(E)) {
 			continue;
 		}
 
-		Node *n = es->get_node(E->get());
+		Node *n = es->get_node(E);
 		if (!n) {
 			continue;
 		}
@@ -143,30 +143,30 @@ void MultiNodeEdit::_get_property_list(List<PropertyInfo> *p_list) const {
 		List<PropertyInfo> plist;
 		n->get_property_list(&plist, true);
 
-		for (List<PropertyInfo>::Element *F = plist.front(); F; F = F->next()) {
-			if (F->get().name == "script") {
+		for (PropertyInfo &F : plist) {
+			if (F.name == "script") {
 				continue; //added later manually, since this is intercepted before being set (check Variant Object::get() )
 			}
-			if (!usage.has(F->get().name)) {
+			if (!usage.has(F.name)) {
 				PLData pld;
 				pld.uses = 0;
-				pld.info = F->get();
-				usage[F->get().name] = pld;
-				data_list.push_back(usage.getptr(F->get().name));
+				pld.info = F;
+				usage[F.name] = pld;
+				data_list.push_back(usage.getptr(F.name));
 			}
 
 			// Make sure only properties with the same exact PropertyInfo data will appear
-			if (usage[F->get().name].info == F->get()) {
-				usage[F->get().name].uses++;
+			if (usage[F.name].info == F) {
+				usage[F.name].uses++;
 			}
 		}
 
 		nc++;
 	}
 
-	for (List<PLData *>::Element *E = data_list.front(); E; E = E->next()) {
-		if (nc == E->get()->uses) {
-			p_list->push_back(E->get()->info);
+	for (PLData *E : data_list) {
+		if (nc == E->uses) {
+			p_list->push_back(E->info);
 		}
 	}
 

editor/plugins/animation_blend_space_1d_editor.cpp

@@ -72,22 +72,22 @@ void AnimationNodeBlendSpace1DEditor::_blend_space_gui_input(const Ref<InputEven
 				List<StringName> names;
 				ap->get_animation_list(&names);
 
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E->get());
-					animations_to_add.push_back(E->get());
+				for (StringName &E : names) {
+					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E);
+					animations_to_add.push_back(E);
 				}
 			}
 		}
 
-		for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-			String name = String(E->get()).replace_first("AnimationNode", "");
+		for (StringName &E : classes) {
+			String name = String(E).replace_first("AnimationNode", "");
 			if (name == "Animation") {
 				continue;
 			}
 
 			int idx = menu->get_item_count();
 			menu->add_item(vformat("Add %s", name), idx);
-			menu->set_item_metadata(idx, E->get());
+			menu->set_item_metadata(idx, E);
 		}
 
 		Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
@@ -373,8 +373,8 @@ void AnimationNodeBlendSpace1DEditor::_add_menu_type(int p_index) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;

editor/plugins/animation_blend_space_2d_editor.cpp

@@ -96,21 +96,21 @@ void AnimationNodeBlendSpace2DEditor::_blend_space_gui_input(const Ref<InputEven
 			if (ap) {
 				List<StringName> names;
 				ap->get_animation_list(&names);
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E->get());
-					animations_to_add.push_back(E->get());
+				for (StringName &E : names) {
+					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E);
+					animations_to_add.push_back(E);
 				}
 			}
 		}
 
-		for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-			String name = String(E->get()).replace_first("AnimationNode", "");
+		for (StringName &E : classes) {
+			String name = String(E).replace_first("AnimationNode", "");
 			if (name == "Animation") {
 				continue; // nope
 			}
 			int idx = menu->get_item_count();
 			menu->add_item(vformat("Add %s", name), idx);
-			menu->set_item_metadata(idx, E->get());
+			menu->set_item_metadata(idx, E);
 		}
 
 		Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
@@ -295,8 +295,8 @@ void AnimationNodeBlendSpace2DEditor::_add_menu_type(int p_index) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;

editor/plugins/animation_blend_tree_editor_plugin.cpp

@@ -121,21 +121,21 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 	List<StringName> nodes;
 	blend_tree->get_node_list(&nodes);
 
-	for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
+	for (StringName &E : nodes) {
 		GraphNode *node = memnew(GraphNode);
 		graph->add_child(node);
 
-		Ref<AnimationNode> agnode = blend_tree->get_node(E->get());
+		Ref<AnimationNode> agnode = blend_tree->get_node(E);
 
-		node->set_position_offset(blend_tree->get_node_position(E->get()) * EDSCALE);
+		node->set_position_offset(blend_tree->get_node_position(E) * EDSCALE);
 
 		node->set_title(agnode->get_caption());
-		node->set_name(E->get());
+		node->set_name(E);
 
 		int base = 0;
-		if (String(E->get()) != "output") {
+		if (String(E) != "output") {
 			LineEdit *name = memnew(LineEdit);
-			name->set_text(E->get());
+			name->set_text(E);
 			name->set_expand_to_text_length_enabled(true);
 			node->add_child(name);
 			node->set_slot(0, false, 0, Color(), true, 0, get_theme_color(SNAME("font_color"), SNAME("Label")));
@@ -143,7 +143,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			name->connect("focus_exited", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_renamed_focus_out), varray(name, agnode), CONNECT_DEFERRED);
 			base = 1;
 			node->set_show_close_button(true);
-			node->connect("close_request", callable_mp(this, &AnimationNodeBlendTreeEditor::_delete_request), varray(E->get()), CONNECT_DEFERRED);
+			node->connect("close_request", callable_mp(this, &AnimationNodeBlendTreeEditor::_delete_request), varray(E), CONNECT_DEFERRED);
 		}
 
 		for (int i = 0; i < agnode->get_input_count(); i++) {
@@ -155,12 +155,12 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 
 		List<PropertyInfo> pinfo;
 		agnode->get_parameter_list(&pinfo);
-		for (List<PropertyInfo>::Element *F = pinfo.front(); F; F = F->next()) {
-			if (!(F->get().usage & PROPERTY_USAGE_EDITOR)) {
+		for (PropertyInfo &F : pinfo) {
+			if (!(F.usage & PROPERTY_USAGE_EDITOR)) {
 				continue;
 			}
-			String base_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E->get()) + "/" + F->get().name;
-			EditorProperty *prop = EditorInspector::instantiate_property_editor(AnimationTreeEditor::get_singleton()->get_tree(), F->get().type, base_path, F->get().hint, F->get().hint_string, F->get().usage);
+			String base_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E) + "/" + F.name;
+			EditorProperty *prop = EditorInspector::instantiate_property_editor(AnimationTreeEditor::get_singleton()->get_tree(), F.type, base_path, F.hint, F.hint_string, F.usage);
 			if (prop) {
 				prop->set_object_and_property(AnimationTreeEditor::get_singleton()->get_tree(), base_path);
 				prop->update_property();
@@ -171,7 +171,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			}
 		}
 
-		node->connect("dragged", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_dragged), varray(E->get()));
+		node->connect("dragged", callable_mp(this, &AnimationNodeBlendTreeEditor::_node_dragged), varray(E));
 
 		if (AnimationTreeEditor::get_singleton()->can_edit(agnode)) {
 			node->add_child(memnew(HSeparator));
@@ -179,7 +179,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			open_in_editor->set_text(TTR("Open Editor"));
 			open_in_editor->set_icon(get_theme_icon(SNAME("Edit"), SNAME("EditorIcons")));
 			node->add_child(open_in_editor);
-			open_in_editor->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_open_in_editor), varray(E->get()), CONNECT_DEFERRED);
+			open_in_editor->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_open_in_editor), varray(E), CONNECT_DEFERRED);
 			open_in_editor->set_h_size_flags(SIZE_SHRINK_CENTER);
 		}
 
@@ -189,7 +189,7 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 			edit_filters->set_text(TTR("Edit Filters"));
 			edit_filters->set_icon(get_theme_icon(SNAME("AnimationFilter"), SNAME("EditorIcons")));
 			node->add_child(edit_filters);
-			edit_filters->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_edit_filters), varray(E->get()), CONNECT_DEFERRED);
+			edit_filters->connect("pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_edit_filters), varray(E), CONNECT_DEFERRED);
 			edit_filters->set_h_size_flags(SIZE_SHRINK_CENTER);
 		}
 
@@ -212,9 +212,9 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 					List<StringName> anims;
 					ap->get_animation_list(&anims);
 
-					for (List<StringName>::Element *F = anims.front(); F; F = F->next()) {
-						mb->get_popup()->add_item(F->get());
-						options.push_back(F->get());
+					for (StringName &F : anims) {
+						mb->get_popup()->add_item(F);
+						options.push_back(F);
 					}
 
 					if (ap->has_animation(anim->get_animation())) {
@@ -225,10 +225,10 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 
 			pb->set_percent_visible(false);
 			pb->set_custom_minimum_size(Vector2(0, 14) * EDSCALE);
-			animations[E->get()] = pb;
+			animations[E] = pb;
 			node->add_child(pb);
 
-			mb->get_popup()->connect("index_pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_anim_selected), varray(options, E->get()), CONNECT_DEFERRED);
+			mb->get_popup()->connect("index_pressed", callable_mp(this, &AnimationNodeBlendTreeEditor::_anim_selected), varray(options, E), CONNECT_DEFERRED);
 		}
 
 		Ref<StyleBoxFlat> sb = node->get_theme_stylebox(SNAME("frame"), SNAME("GraphNode"));
@@ -246,10 +246,10 @@ void AnimationNodeBlendTreeEditor::_update_graph() {
 	List<AnimationNodeBlendTree::NodeConnection> connections;
 	blend_tree->get_node_connections(&connections);
 
-	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = connections.front(); E; E = E->next()) {
-		StringName from = E->get().output_node;
-		StringName to = E->get().input_node;
-		int to_idx = E->get().input_index;
+	for (AnimationNodeBlendTree::NodeConnection &E : connections) {
+		StringName from = E.output_node;
+		StringName to = E.input_node;
+		int to_idx = E.input_index;
 
 		graph->connect_node(from, 0, to, to_idx);
 	}
@@ -274,8 +274,8 @@ void AnimationNodeBlendTreeEditor::_add_node(int p_idx) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;
@@ -394,9 +394,9 @@ void AnimationNodeBlendTreeEditor::_delete_request(const String &p_which) {
 	List<AnimationNodeBlendTree::NodeConnection> conns;
 	blend_tree->get_node_connections(&conns);
 
-	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = conns.front(); E; E = E->next()) {
-		if (E->get().output_node == p_which || E->get().input_node == p_which) {
-			undo_redo->add_undo_method(blend_tree.ptr(), "connect_node", E->get().input_node, E->get().input_index, E->get().output_node);
+	for (AnimationNodeBlendTree::NodeConnection &E : conns) {
+		if (E.output_node == p_which || E.input_node == p_which) {
+			undo_redo->add_undo_method(blend_tree.ptr(), "connect_node", E.input_node, E.input_index, E.output_node);
 		}
 	}
 
@@ -423,8 +423,8 @@ void AnimationNodeBlendTreeEditor::_delete_nodes_request() {
 
 	undo_redo->create_action(TTR("Delete Node(s)"));
 
-	for (List<StringName>::Element *F = to_erase.front(); F; F = F->next()) {
-		_delete_request(F->get());
+	for (StringName &F : to_erase) {
+		_delete_request(F);
 	}
 
 	undo_redo->commit_action();
@@ -517,8 +517,8 @@ bool AnimationNodeBlendTreeEditor::_update_filters(const Ref<AnimationNode> &ano
 		List<StringName> animations;
 		player->get_animation_list(&animations);
 
-		for (List<StringName>::Element *E = animations.front(); E; E = E->next()) {
-			Ref<Animation> anim = player->get_animation(E->get());
+		for (StringName &E : animations) {
+			Ref<Animation> anim = player->get_animation(E);
 			for (int i = 0; i < anim->get_track_count(); i++) {
 				String track_path = anim->track_get_path(i);
 				paths.insert(track_path);
@@ -718,13 +718,13 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
 
 		List<AnimationNodeBlendTree::NodeConnection> conns;
 		blend_tree->get_node_connections(&conns);
-		for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = conns.front(); E; E = E->next()) {
+		for (AnimationNodeBlendTree::NodeConnection &E : conns) {
 			float activity = 0;
-			StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E->get().input_node;
+			StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E.input_node;
 			if (AnimationTreeEditor::get_singleton()->get_tree() && !AnimationTreeEditor::get_singleton()->get_tree()->is_state_invalid()) {
-				activity = AnimationTreeEditor::get_singleton()->get_tree()->get_connection_activity(path, E->get().input_index);
+				activity = AnimationTreeEditor::get_singleton()->get_tree()->get_connection_activity(path, E.input_index);
 			}
-			graph->set_connection_activity(E->get().output_node, 0, E->get().input_node, E->get().input_index, activity);
+			graph->set_connection_activity(E.output_node, 0, E.input_node, E.input_index, activity);
 		}
 
 		AnimationTree *graph_player = AnimationTreeEditor::get_singleton()->get_tree();
@@ -741,7 +741,7 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
 						Ref<Animation> anim = player->get_animation(an->get_animation());
 						if (anim.is_valid()) {
 							E->get()->set_max(anim->get_length());
-							//StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E->get().input_node;
+							//StringName path = AnimationTreeEditor::get_singleton()->get_base_path() + E.input_node;
 							StringName time_path = AnimationTreeEditor::get_singleton()->get_base_path() + String(E->key()) + "/time";
 							E->get()->set_value(AnimationTreeEditor::get_singleton()->get_tree()->get(time_path));
 						}
@@ -828,10 +828,10 @@ void AnimationNodeBlendTreeEditor::_node_renamed(const String &p_text, Ref<Anima
 	List<AnimationNodeBlendTree::NodeConnection> connections;
 	blend_tree->get_node_connections(&connections);
 
-	for (List<AnimationNodeBlendTree::NodeConnection>::Element *E = connections.front(); E; E = E->next()) {
-		StringName from = E->get().output_node;
-		StringName to = E->get().input_node;
-		int to_idx = E->get().input_index;
+	for (AnimationNodeBlendTree::NodeConnection &E : connections) {
+		StringName from = E.output_node;
+		StringName to = E.input_node;
+		int to_idx = E.input_index;
 
 		graph->connect_node(from, 0, to, to_idx);
 	}

editor/plugins/animation_player_editor_plugin.cpp

@@ -350,8 +350,8 @@ void AnimationPlayerEditor::_animation_load() {
 	List<String> extensions;
 
 	ResourceLoader::get_recognized_extensions_for_type("Animation", &extensions);
-	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
-		file->add_filter("*." + E->get() + " ; " + E->get().to_upper());
+	for (String &E : extensions) {
+		file->add_filter("*." + E + " ; " + E.to_upper());
 	}
 
 	file->popup_file_dialog();
@@ -584,8 +584,7 @@ void AnimationPlayerEditor::_animation_blend() {
 	blend_editor.next->clear();
 	blend_editor.next->add_item("", i);
 
-	for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
-		String to = E->get();
+	for (StringName &to : anims) {
 		TreeItem *blend = blend_editor.tree->create_item(root);
 		blend->set_editable(0, false);
 		blend->set_editable(1, true);
@@ -830,20 +829,20 @@ void AnimationPlayerEditor::_update_player() {
 	}
 
 	int active_idx = -1;
-	for (List<StringName>::Element *E = animlist.front(); E; E = E->next()) {
+	for (StringName &E : animlist) {
 		Ref<Texture2D> icon;
-		if (E->get() == player->get_autoplay()) {
-			if (E->get() == "RESET") {
+		if (E == player->get_autoplay()) {
+			if (E == "RESET") {
 				icon = autoplay_reset_icon;
 			} else {
 				icon = autoplay_icon;
 			}
-		} else if (E->get() == "RESET") {
+		} else if (E == "RESET") {
 			icon = reset_icon;
 		}
-		animation->add_icon_item(icon, E->get());
+		animation->add_icon_item(icon, E);
 
-		if (player->get_assigned_animation() == E->get()) {
+		if (player->get_assigned_animation() == E) {
 			active_idx = animation->get_item_count() - 1;
 		}
 	}
@@ -966,9 +965,9 @@ void AnimationPlayerEditor::_animation_duplicate() {
 	Ref<Animation> new_anim = memnew(Animation);
 	List<PropertyInfo> plist;
 	anim->get_property_list(&plist);
-	for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-		if (E->get().usage & PROPERTY_USAGE_STORAGE) {
-			new_anim->set(E->get().name, anim->get(E->get().name));
+	for (PropertyInfo &E : plist) {
+		if (E.usage & PROPERTY_USAGE_STORAGE) {
+			new_anim->set(E.name, anim->get(E.name));
 		}
 	}
 	new_anim->set_path("");

editor/plugins/animation_state_machine_editor.cpp

@@ -93,21 +93,21 @@ void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEv
 			if (ap) {
 				List<StringName> names;
 				ap->get_animation_list(&names);
-				for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E->get());
-					animations_to_add.push_back(E->get());
+				for (StringName &E : names) {
+					animations_menu->add_icon_item(get_theme_icon(SNAME("Animation"), SNAME("EditorIcons")), E);
+					animations_to_add.push_back(E);
 				}
 			}
 		}
 
-		for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
-			String name = String(E->get()).replace_first("AnimationNode", "");
+		for (StringName &E : classes) {
+			String name = String(E).replace_first("AnimationNode", "");
 			if (name == "Animation") {
 				continue; // nope
 			}
 			int idx = menu->get_item_count();
 			menu->add_item(vformat("Add %s", name), idx);
-			menu->set_item_metadata(idx, E->get());
+			menu->set_item_metadata(idx, E);
 		}
 		Ref<AnimationNode> clipb = EditorSettings::get_singleton()->get_resource_clipboard();
 
@@ -318,24 +318,24 @@ void AnimationNodeStateMachineEditor::_state_machine_gui_input(const Ref<InputEv
 			float best_d_x = 1e20;
 			float best_d_y = 1e20;
 
-			for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
-				if (E->get() == selected_node) {
+			for (StringName &E : nodes) {
+				if (E == selected_node) {
 					continue;
 				}
-				Vector2 npos = state_machine->get_node_position(E->get());
+				Vector2 npos = state_machine->get_node_position(E);
 
 				float d_x = ABS(npos.x - cpos.x);
 				if (d_x < MIN(5, best_d_x)) {
 					drag_ofs.x -= cpos.x - npos.x;
 					best_d_x = d_x;
-					snap_x = E->get();
+					snap_x = E;
 				}
 
 				float d_y = ABS(npos.y - cpos.y);
 				if (d_y < MIN(5, best_d_y)) {
 					drag_ofs.y -= cpos.y - npos.y;
 					best_d_y = d_y;
-					snap_y = E->get();
+					snap_y = E;
 				}
 			}
 		}
@@ -409,8 +409,8 @@ void AnimationNodeStateMachineEditor::_add_menu_type(int p_index) {
 		open_file->clear_filters();
 		List<String> filters;
 		ResourceLoader::get_recognized_extensions_for_type("AnimationRootNode", &filters);
-		for (List<String>::Element *E = filters.front(); E; E = E->next()) {
-			open_file->add_filter("*." + E->get());
+		for (String &E : filters) {
+			open_file->add_filter("*." + E);
 		}
 		open_file->popup_file_dialog();
 		return;
@@ -606,11 +606,11 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
 	}
 
 	//pre pass nodes so we know the rectangles
-	for (List<StringName>::Element *E = nodes.front(); E; E = E->next()) {
-		Ref<AnimationNode> anode = state_machine->get_node(E->get());
-		String name = E->get();
+	for (StringName &E : nodes) {
+		Ref<AnimationNode> anode = state_machine->get_node(E);
+		String name = E;
 		bool needs_editor = EditorNode::get_singleton()->item_has_editor(anode.ptr());
-		Ref<StyleBox> sb = E->get() == selected_node ? style_selected : style;
+		Ref<StyleBox> sb = E == selected_node ? style_selected : style;
 
 		Size2 s = sb->get_minimum_size();
 		int strsize = font->get_string_size(name, font_size).width;
@@ -622,8 +622,8 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
 		}
 
 		Vector2 offset;
-		offset += state_machine->get_node_position(E->get()) * EDSCALE;
-		if (selected_node == E->get() && dragging_selected) {
+		offset += state_machine->get_node_position(E) * EDSCALE;
+		if (selected_node == E && dragging_selected) {
 			offset += drag_ofs;
 		}
 		offset -= s / 2;
@@ -633,7 +633,7 @@ void AnimationNodeStateMachineEditor::_state_machine_draw() {
 
 		NodeRect nr;
 		nr.node = Rect2(offset, s);
-		nr.node_name = E->get();
+		nr.node_name = E;
 
 		scroll_range = scroll_range.merge(nr.node); //merge with range
 

editor/plugins/animation_tree_editor_plugin.cpp

@@ -215,8 +215,8 @@ Vector<String> AnimationTreeEditor::get_animation_list() {
 	List<StringName> anims;
 	ap->get_animation_list(&anims);
 	Vector<String> ret;
-	for (List<StringName>::Element *E = anims.front(); E; E = E->next()) {
-		ret.push_back(E->get());
+	for (StringName &E : anims) {
+		ret.push_back(E);
 	}
 
 	return ret;

editor/plugins/asset_library_editor_plugin.cpp

@@ -607,7 +607,7 @@ void EditorAssetLibrary::_update_repository_options() {
 	Dictionary available_urls = _EDITOR_DEF("asset_library/available_urls", default_urls, true);
 	repository->clear();
 	Array keys = available_urls.keys();
-	for (int i = 0; i < available_urls.size(); i++) {
+	for (int i = 0; i < keys.size(); i++) {
 		String key = keys[i];
 		repository->add_item(key);
 		repository->set_item_metadata(i, available_urls[key]);

editor/plugins/canvas_item_editor_plugin.cpp

@@ -301,8 +301,8 @@ void CanvasItemEditor::_snap_other_nodes(
 
 	// Check if the element is in the exception
 	bool exception = false;
-	for (List<const CanvasItem *>::Element *E = p_exceptions.front(); E; E = E->next()) {
-		if (E->get() == p_current) {
+	for (const CanvasItem *&E : p_exceptions) {
+		if (E == p_current) {
 			exception = true;
 			break;
 		}
@@ -399,8 +399,8 @@ Point2 CanvasItemEditor::snap_point(Point2 p_target, unsigned int p_modes, unsig
 	if ((is_snap_active && snap_other_nodes && (p_modes & SNAP_OTHER_NODES)) || (p_forced_modes & SNAP_OTHER_NODES)) {
 		Transform2D to_snap_transform = Transform2D();
 		List<const CanvasItem *> exceptions = List<const CanvasItem *>();
-		for (List<CanvasItem *>::Element *E = p_other_nodes_exceptions.front(); E; E = E->next()) {
-			exceptions.push_back(E->get());
+		for (CanvasItem *E : p_other_nodes_exceptions) {
+			exceptions.push_back(E);
 		}
 		if (p_self_canvas_item) {
 			exceptions.push_back(p_self_canvas_item);
@@ -527,8 +527,7 @@ Rect2 CanvasItemEditor::_get_encompassing_rect_from_list(List<CanvasItem *> p_li
 	Rect2 rect = Rect2(canvas_item->get_global_transform_with_canvas().xform(canvas_item->_edit_get_rect().position + canvas_item->_edit_get_rect().size / 2), Size2());
 
 	// Expand with the other ones
-	for (List<CanvasItem *>::Element *E = p_list.front(); E; E = E->next()) {
-		CanvasItem *canvas_item2 = E->get();
+	for (CanvasItem *canvas_item2 : p_list) {
 		Transform2D xform = canvas_item2->get_global_transform_with_canvas();
 
 		Rect2 current_rect = canvas_item2->_edit_get_rect();
@@ -760,9 +759,9 @@ List<CanvasItem *> CanvasItemEditor::_get_edited_canvas_items(bool retreive_lock
 
 	if (remove_canvas_item_if_parent_in_selection) {
 		List<CanvasItem *> filtered_selection;
-		for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-			if (!selection.find(E->get()->get_parent())) {
-				filtered_selection.push_back(E->get());
+		for (CanvasItem *E : selection) {
+			if (!selection.find(E->get_parent())) {
+				filtered_selection.push_back(E);
 			}
 		}
 		return filtered_selection;
@@ -800,8 +799,7 @@ Vector2 CanvasItemEditor::_position_to_anchor(const Control *p_control, Vector2
 }
 
 void CanvasItemEditor::_save_canvas_item_state(List<CanvasItem *> p_canvas_items, bool save_bones) {
-	for (List<CanvasItem *>::Element *E = p_canvas_items.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : p_canvas_items) {
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 		if (se) {
 			se->undo_state = canvas_item->_edit_get_state();
@@ -816,8 +814,7 @@ void CanvasItemEditor::_save_canvas_item_state(List<CanvasItem *> p_canvas_items
 }
 
 void CanvasItemEditor::_restore_canvas_item_state(List<CanvasItem *> p_canvas_items, bool restore_bones) {
-	for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : drag_selection) {
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 		canvas_item->_edit_set_state(se->undo_state);
 	}
@@ -825,8 +822,7 @@ void CanvasItemEditor::_restore_canvas_item_state(List<CanvasItem *> p_canvas_it
 
 void CanvasItemEditor::_commit_canvas_item_state(List<CanvasItem *> p_canvas_items, String action_name, bool commit_bones) {
 	List<CanvasItem *> modified_canvas_items;
-	for (List<CanvasItem *>::Element *E = p_canvas_items.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : p_canvas_items) {
 		Dictionary old_state = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item)->undo_state;
 		Dictionary new_state = canvas_item->_edit_get_state();
 
@@ -840,17 +836,16 @@ void CanvasItemEditor::_commit_canvas_item_state(List<CanvasItem *> p_canvas_ite
 	}
 
 	undo_redo->create_action(action_name);
-	for (List<CanvasItem *>::Element *E = modified_canvas_items.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = E->get();
+	for (CanvasItem *canvas_item : modified_canvas_items) {
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 		if (se) {
 			undo_redo->add_do_method(canvas_item, "_edit_set_state", canvas_item->_edit_get_state());
 			undo_redo->add_undo_method(canvas_item, "_edit_set_state", se->undo_state);
 			if (commit_bones) {
-				for (List<Dictionary>::Element *F = se->pre_drag_bones_undo_state.front(); F; F = F->next()) {
+				for (Dictionary &F : se->pre_drag_bones_undo_state) {
 					canvas_item = Object::cast_to<CanvasItem>(canvas_item->get_parent());
 					undo_redo->add_do_method(canvas_item, "_edit_set_state", canvas_item->_edit_get_state());
-					undo_redo->add_undo_method(canvas_item, "_edit_set_state", F->get());
+					undo_redo->add_undo_method(canvas_item, "_edit_set_state", F);
 				}
 			}
 		}
@@ -1304,8 +1299,7 @@ bool CanvasItemEditor::_gui_input_pivot(const Ref<InputEvent> &p_event) {
 
 			// Filters the selection with nodes that allow setting the pivot
 			drag_selection = List<CanvasItem *>();
-			for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : selection) {
 				if (canvas_item->_edit_use_pivot()) {
 					drag_selection.push_back(canvas_item);
 				}
@@ -1321,8 +1315,7 @@ bool CanvasItemEditor::_gui_input_pivot(const Ref<InputEvent> &p_event) {
 				} else {
 					new_pos = snap_point(drag_from, SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL, 0, nullptr, drag_selection);
 				}
-				for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-					CanvasItem *canvas_item = E->get();
+				for (CanvasItem *canvas_item : drag_selection) {
 					canvas_item->_edit_set_pivot(canvas_item->get_global_transform_with_canvas().affine_inverse().xform(new_pos));
 				}
 
@@ -1343,8 +1336,7 @@ bool CanvasItemEditor::_gui_input_pivot(const Ref<InputEvent> &p_event) {
 			} else {
 				new_pos = snap_point(drag_to, SNAP_OTHER_NODES | SNAP_GRID | SNAP_PIXEL);
 			}
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				canvas_item->_edit_set_pivot(canvas_item->get_global_transform_with_canvas().affine_inverse().xform(new_pos));
 			}
 			return true;
@@ -1387,8 +1379,8 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
 				List<CanvasItem *> selection = _get_edited_canvas_items();
 
 				// Remove not movable nodes
-				for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-					if (!_is_node_movable(E->get(), true)) {
+				for (CanvasItem *E : selection) {
+					if (!_is_node_movable(E, true)) {
 						selection.erase(E);
 					}
 				}
@@ -1414,8 +1406,7 @@ bool CanvasItemEditor::_gui_input_rotate(const Ref<InputEvent> &p_event) {
 		// Rotate the node
 		if (m.is_valid()) {
 			_restore_canvas_item_state(drag_selection);
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				drag_to = transform.affine_inverse().xform(m->get_position());
 				//Rotate the opposite way if the canvas item's compounded scale has an uneven number of negative elements
 				bool opposite = (canvas_item->get_global_transform().get_scale().sign().dot(canvas_item->get_transform().get_scale().sign()) == 0);
@@ -2046,8 +2037,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
 			}
 
 			int index = 0;
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				Transform2D xform = canvas_item->get_global_transform_with_canvas().affine_inverse() * canvas_item->get_transform();
 
 				canvas_item->_edit_set_position(canvas_item->_edit_get_position() + xform.xform(new_pos) - xform.xform(previous_pos));
@@ -2162,8 +2152,7 @@ bool CanvasItemEditor::_gui_input_move(const Ref<InputEvent> &p_event) {
 			}
 
 			int index = 0;
-			for (List<CanvasItem *>::Element *E = drag_selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = E->get();
+			for (CanvasItem *canvas_item : drag_selection) {
 				Transform2D xform = canvas_item->get_global_transform_with_canvas().affine_inverse() * canvas_item->get_transform();
 
 				canvas_item->_edit_set_position(canvas_item->_edit_get_position() + xform.xform(new_pos) - xform.xform(previous_pos));
@@ -2375,8 +2364,8 @@ bool CanvasItemEditor::_gui_input_select(const Ref<InputEvent> &p_event) {
 				if (selitems.size() == 1 && editor_selection->get_selected_node_list().is_empty()) {
 					editor->push_item(selitems[0]);
 				}
-				for (List<CanvasItem *>::Element *E = selitems.front(); E; E = E->next()) {
-					editor_selection->add_node(E->get());
+				for (CanvasItem *E : selitems) {
+					editor_selection->add_node(E);
 				}
 			}
 
@@ -3248,8 +3237,8 @@ void CanvasItemEditor::_draw_selection() {
 	List<CanvasItem *> selection = _get_edited_canvas_items(true, false);
 
 	bool single = selection.size() == 1;
-	for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-		CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+	for (CanvasItem *E : selection) {
+		CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 		CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 
 		bool item_locked = canvas_item->has_meta("_edit_lock_");
@@ -3566,9 +3555,9 @@ void CanvasItemEditor::_draw_hover() {
 
 		Point2 pos = transform.xform(hovering_results[i].position) - Point2(0, item_size.y) + (Point2(node_icon->get_size().x, -node_icon->get_size().y) / 4);
 		// Rectify the position to avoid overlapping items
-		for (List<Rect2>::Element *E = previous_rects.front(); E; E = E->next()) {
-			if (E->get().intersects(Rect2(pos, item_size))) {
-				pos.y = E->get().get_position().y - item_size.y;
+		for (Rect2 &E : previous_rects) {
+			if (E.intersects(Rect2(pos, item_size))) {
+				pos.y = E.get_position().y - item_size.y;
 			}
 		}
 
@@ -3642,14 +3631,14 @@ void CanvasItemEditor::_draw_viewport() {
 		all_locked = false;
 		all_group = false;
 	} else {
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<CanvasItem>(E->get()) && !Object::cast_to<CanvasItem>(E->get())->has_meta("_edit_lock_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<CanvasItem>(E) && !Object::cast_to<CanvasItem>(E)->has_meta("_edit_lock_")) {
 				all_locked = false;
 				break;
 			}
 		}
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<CanvasItem>(E->get()) && !Object::cast_to<CanvasItem>(E->get())->has_meta("_edit_group_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<CanvasItem>(E) && !Object::cast_to<CanvasItem>(E)->has_meta("_edit_group_")) {
 				all_group = false;
 				break;
 			}
@@ -3716,8 +3705,7 @@ void CanvasItemEditor::_notification(int p_what) {
 
 		// Update the viewport if the canvas_item changes
 		List<CanvasItem *> selection = _get_edited_canvas_items(true);
-		for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-			CanvasItem *canvas_item = E->get();
+		for (CanvasItem *canvas_item : selection) {
 			CanvasItemEditorSelectedItem *se = editor_selection->get_node_editor_data<CanvasItemEditorSelectedItem>(canvas_item);
 
 			Rect2 rect;
@@ -3932,8 +3920,8 @@ void CanvasItemEditor::_selection_changed() {
 	int nbValidControls = 0;
 	int nbAnchorsMode = 0;
 	List<Node *> selection = editor_selection->get_selected_node_list();
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (!control) {
 			continue;
 		}
@@ -4101,8 +4089,8 @@ void CanvasItemEditor::_set_anchors_and_offsets_preset(Control::LayoutPreset p_p
 
 	undo_redo->create_action(TTR("Change Anchors and Offsets"));
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (control) {
 			undo_redo->add_do_method(control, "set_anchors_preset", p_preset);
 			switch (p_preset) {
@@ -4142,8 +4130,8 @@ void CanvasItemEditor::_set_anchors_and_offsets_to_keep_ratio() {
 
 	undo_redo->create_action(TTR("Change Anchors and Offsets"));
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (control) {
 			Point2 top_left_anchor = _position_to_anchor(control, Point2());
 			Point2 bottom_right_anchor = _position_to_anchor(control, control->get_size());
@@ -4169,8 +4157,8 @@ void CanvasItemEditor::_set_anchors_preset(Control::LayoutPreset p_preset) {
 	List<Node *> selection = editor_selection->get_selected_node_list();
 
 	undo_redo->create_action(TTR("Change Anchors"));
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (Node *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (control) {
 			undo_redo->add_do_method(control, "set_anchors_preset", p_preset);
 			undo_redo->add_undo_method(control, "_edit_set_state", control->_edit_get_state());
@@ -4295,15 +4283,15 @@ void CanvasItemEditor::_insert_animation_keys(bool p_location, bool p_rotation,
 				}
 
 				if (has_chain && ik_chain.size()) {
-					for (List<Node2D *>::Element *F = ik_chain.front(); F; F = F->next()) {
+					for (Node2D *&F : ik_chain) {
 						if (key_pos) {
-							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F->get(), "position", F->get()->get_position(), p_on_existing);
+							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F, "position", F->get_position(), p_on_existing);
 						}
 						if (key_rot) {
-							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F->get(), "rotation", F->get()->get_rotation(), p_on_existing);
+							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F, "rotation", F->get_rotation(), p_on_existing);
 						}
 						if (key_scale) {
-							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F->get(), "scale", F->get()->get_scale(), p_on_existing);
+							AnimationPlayerEditor::singleton->get_track_editor()->insert_node_value_key(F, "scale", F->get_scale(), p_on_existing);
 						}
 					}
 				}
@@ -4327,8 +4315,8 @@ void CanvasItemEditor::_insert_animation_keys(bool p_location, bool p_rotation,
 
 void CanvasItemEditor::_button_toggle_anchor_mode(bool p_status) {
 	List<CanvasItem *> selection = _get_edited_canvas_items(false, false);
-	for (List<CanvasItem *>::Element *E = selection.front(); E; E = E->next()) {
-		Control *control = Object::cast_to<Control>(E->get());
+	for (CanvasItem *E : selection) {
+		Control *control = Object::cast_to<Control>(E);
 		if (!control || Object::cast_to<Container>(control->get_parent())) {
 			continue;
 		}
@@ -4441,13 +4429,13 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 		} break;
 		case SKELETON_SHOW_BONES: {
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
+			for (Node *E : selection) {
 				// Add children nodes so they are processed
-				for (int child = 0; child < E->get()->get_child_count(); child++) {
-					selection.push_back(E->get()->get_child(child));
+				for (int child = 0; child < E->get_child_count(); child++) {
+					selection.push_back(E->get_child(child));
 				}
 
-				Bone2D *bone_2d = Object::cast_to<Bone2D>(E->get());
+				Bone2D *bone_2d = Object::cast_to<Bone2D>(E);
 				if (!bone_2d || !bone_2d->is_inside_tree()) {
 					continue;
 				}
@@ -4477,8 +4465,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Lock Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4499,8 +4487,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Unlock Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4521,8 +4509,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Group Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4543,8 +4531,8 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			undo_redo->create_action(TTR("Ungroup Selected"));
 
 			List<Node *> selection = editor_selection->get_selected_node_list();
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E->get());
+			for (Node *E : selection) {
+				CanvasItem *canvas_item = Object::cast_to<CanvasItem>(E);
 				if (!canvas_item || !canvas_item->is_inside_tree()) {
 					continue;
 				}
@@ -4711,14 +4699,14 @@ void CanvasItemEditor::_popup_callback(int p_op) {
 			}
 
 			undo_redo->create_action(TTR("Paste Pose"));
-			for (List<PoseClipboard>::Element *E = pose_clipboard.front(); E; E = E->next()) {
-				Node2D *n2d = Object::cast_to<Node2D>(ObjectDB::get_instance(E->get().id));
+			for (PoseClipboard &E : pose_clipboard) {
+				Node2D *n2d = Object::cast_to<Node2D>(ObjectDB::get_instance(E.id));
 				if (!n2d) {
 					continue;
 				}
-				undo_redo->add_do_method(n2d, "set_position", E->get().pos);
-				undo_redo->add_do_method(n2d, "set_rotation", E->get().rot);
-				undo_redo->add_do_method(n2d, "set_scale", E->get().scale);
+				undo_redo->add_do_method(n2d, "set_position", E.pos);
+				undo_redo->add_do_method(n2d, "set_rotation", E.rot);
+				undo_redo->add_do_method(n2d, "set_scale", E.scale);
 				undo_redo->add_undo_method(n2d, "set_position", n2d->get_position());
 				undo_redo->add_undo_method(n2d, "set_rotation", n2d->get_rotation());
 				undo_redo->add_undo_method(n2d, "set_scale", n2d->get_scale());
@@ -5819,14 +5807,14 @@ void CanvasItemEditorViewport::_create_nodes(Node *parent, Node *child, String &
 	String property = "texture";
 	List<PropertyInfo> props;
 	child->get_property_list(&props);
-	for (const List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
-		if (E->get().name == "config/texture") { // Particles2D
+	for (const PropertyInfo &E : props) {
+		if (E.name == "config/texture") { // Particles2D
 			property = "config/texture";
 			break;
-		} else if (E->get().name == "texture/texture") { // Polygon2D
+		} else if (E.name == "texture/texture") { // Polygon2D
 			property = "texture/texture";
 			break;
-		} else if (E->get().name == "normal") { // TouchScreenButton
+		} else if (E.name == "normal") { // TouchScreenButton
 			property = "normal";
 			break;
 		}

editor/plugins/cpu_particles_2d_editor_plugin.cpp

@@ -253,8 +253,8 @@ CPUParticles2DEditorPlugin::CPUParticles2DEditorPlugin(EditorNode *p_node) {
 	file = memnew(EditorFileDialog);
 	List<String> ext;
 	ImageLoader::get_recognized_extensions(&ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		file->add_filter("*." + E->get() + "; " + E->get().to_upper());
+	for (String &E : ext) {
+		file->add_filter("*." + E + "; " + E.to_upper());
 	}
 	file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
 	toolbar->add_child(file);

editor/plugins/editor_preview_plugins.cpp

@@ -490,11 +490,11 @@ Ref<Texture2D> EditorScriptPreviewPlugin::generate(const RES &p_from, const Size
 	Set<String> control_flow_keywords;
 	Set<String> keywords;
 
-	for (List<String>::Element *E = kwors.front(); E; E = E->next()) {
-		if (scr->get_language()->is_control_flow_keyword(E->get())) {
-			control_flow_keywords.insert(E->get());
+	for (String &E : kwors) {
+		if (scr->get_language()->is_control_flow_keyword(E)) {
+			control_flow_keywords.insert(E);
 		} else {
-			keywords.insert(E->get());
+			keywords.insert(E);
 		}
 	}
 

editor/plugins/gpu_particles_2d_editor_plugin.cpp

@@ -361,8 +361,8 @@ GPUParticles2DEditorPlugin::GPUParticles2DEditorPlugin(EditorNode *p_node) {
 	file = memnew(EditorFileDialog);
 	List<String> ext;
 	ImageLoader::get_recognized_extensions(&ext);
-	for (List<String>::Element *E = ext.front(); E; E = E->next()) {
-		file->add_filter("*." + E->get() + "; " + E->get().to_upper());
+	for (String &E : ext) {
+		file->add_filter("*." + E + "; " + E.to_upper());
 	}
 	file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
 	toolbar->add_child(file);

editor/plugins/material_editor_plugin.cpp

@@ -265,15 +265,15 @@ Ref<Resource> StandardMaterial3DConversionPlugin::convert(const Ref<Resource> &p
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
+	for (PropertyInfo &E : params) {
 		// Texture parameter has to be treated specially since StandardMaterial3D saved it
 		// as RID but ShaderMaterial needs Texture itself
-		Ref<Texture2D> texture = mat->get_texture_by_name(E->get().name);
+		Ref<Texture2D> texture = mat->get_texture_by_name(E.name);
 		if (texture.is_valid()) {
-			smat->set_shader_param(E->get().name, texture);
+			smat->set_shader_param(E.name, texture);
 		} else {
-			Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-			smat->set_shader_param(E->get().name, value);
+			Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+			smat->set_shader_param(E.name, value);
 		}
 	}
 
@@ -309,9 +309,9 @@ Ref<Resource> ParticlesMaterialConversionPlugin::convert(const Ref<Resource> &p_
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -346,9 +346,9 @@ Ref<Resource> CanvasItemMaterialConversionPlugin::convert(const Ref<Resource> &p
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -383,9 +383,9 @@ Ref<Resource> ProceduralSkyMaterialConversionPlugin::convert(const Ref<Resource>
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -420,9 +420,9 @@ Ref<Resource> PanoramaSkyMaterialConversionPlugin::convert(const Ref<Resource> &
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());
@@ -457,9 +457,9 @@ Ref<Resource> PhysicalSkyMaterialConversionPlugin::convert(const Ref<Resource> &
 	List<PropertyInfo> params;
 	RS::get_singleton()->shader_get_param_list(mat->get_shader_rid(), &params);
 
-	for (List<PropertyInfo>::Element *E = params.front(); E; E = E->next()) {
-		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E->get().name);
-		smat->set_shader_param(E->get().name, value);
+	for (PropertyInfo &E : params) {
+		Variant value = RS::get_singleton()->material_get_param(mat->get_rid(), E.name);
+		smat->set_shader_param(E.name, value);
 	}
 
 	smat->set_render_priority(mat->get_render_priority());

editor/plugins/mesh_instance_3d_editor_plugin.cpp

@@ -90,8 +90,8 @@ void MeshInstance3DEditor::_menu_option(int p_option) {
 
 			ur->create_action(TTR("Create Static Trimesh Body"));
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				MeshInstance3D *instance = Object::cast_to<MeshInstance3D>(E->get());
+			for (Node *E : selection) {
+				MeshInstance3D *instance = Object::cast_to<MeshInstance3D>(E);
 				if (!instance) {
 					continue;
 				}

editor/plugins/mesh_library_editor_plugin.cpp

@@ -122,23 +122,23 @@ void MeshLibraryEditor::_import_scene(Node *p_scene, Ref<MeshLibrary> p_library,
 			List<uint32_t> shapes;
 			sb->get_shape_owners(&shapes);
 
-			for (List<uint32_t>::Element *E = shapes.front(); E; E = E->next()) {
-				if (sb->is_shape_owner_disabled(E->get())) {
+			for (uint32_t &E : shapes) {
+				if (sb->is_shape_owner_disabled(E)) {
 					continue;
 				}
 
-				//Transform3D shape_transform = sb->shape_owner_get_transform(E->get());
+				//Transform3D shape_transform = sb->shape_owner_get_transform(E);
 
 				//shape_transform.set_origin(shape_transform.get_origin() - phys_offset);
 
-				for (int k = 0; k < sb->shape_owner_get_shape_count(E->get()); k++) {
-					Ref<Shape3D> collision = sb->shape_owner_get_shape(E->get(), k);
+				for (int k = 0; k < sb->shape_owner_get_shape_count(E); k++) {
+					Ref<Shape3D> collision = sb->shape_owner_get_shape(E, k);
 					if (!collision.is_valid()) {
 						continue;
 					}
 					MeshLibrary::ShapeData shape_data;
 					shape_data.shape = collision;
-					shape_data.local_transform = sb->get_transform() * sb->shape_owner_get_transform(E->get());
+					shape_data.local_transform = sb->get_transform() * sb->shape_owner_get_transform(E);
 					collisions.push_back(shape_data);
 				}
 			}

editor/plugins/node_3d_editor_gizmos.cpp

@@ -4013,8 +4013,7 @@ void CollisionObject3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 
 	List<uint32_t> owners;
 	co->get_shape_owners(&owners);
-	for (List<uint32_t>::Element *E = owners.front(); E; E = E->next()) {
-		uint32_t owner_id = E->get();
+	for (uint32_t &owner_id : owners) {
 		Transform3D xform = co->shape_owner_get_transform(owner_id);
 		Object *owner = co->shape_owner_get_owner(owner_id);
 		// Exclude CollisionShape3D and CollisionPolygon3D as they have their gizmo.
@@ -4747,9 +4746,7 @@ void NavigationRegion3DGizmoPlugin::redraw(EditorNode3DGizmo *p_gizmo) {
 		Vector3 *tw = tmeshfaces.ptrw();
 		int tidx = 0;
 
-		for (List<Face3>::Element *E = faces.front(); E; E = E->next()) {
-			const Face3 &f = E->get();
-
+		for (Face3 &f : faces) {
 			for (int j = 0; j < 3; j++) {
 				tw[tidx++] = f.vertex[j];
 				_EdgeKey ek;

editor/plugins/node_3d_editor_plugin.cpp

@@ -1327,8 +1327,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 					List<Node *> &selection = editor_selection->get_selected_node_list();
 
-					for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-						Node3D *sp = Object::cast_to<Node3D>(E->get());
+					for (Node *E : selection) {
+						Node3D *sp = Object::cast_to<Node3D>(E);
 						if (!sp) {
 							continue;
 						}
@@ -1771,8 +1771,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 									String::num(motion_snapped.y, snap_step_decimals) + ", " + String::num(motion_snapped.z, snap_step_decimals) + ")");
 
 						List<Node *> &selection = editor_selection->get_selected_node_list();
-						for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-							Node3D *sp = Object::cast_to<Node3D>(E->get());
+						for (Node *E : selection) {
+							Node3D *sp = Object::cast_to<Node3D>(E);
 							if (!sp) {
 								continue;
 							}
@@ -1870,8 +1870,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 									String::num(motion_snapped.y, snap_step_decimals) + ", " + String::num(motion_snapped.z, snap_step_decimals) + ")");
 
 						List<Node *> &selection = editor_selection->get_selected_node_list();
-						for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-							Node3D *sp = Object::cast_to<Node3D>(E->get());
+						for (Node *E : selection) {
+							Node3D *sp = Object::cast_to<Node3D>(E);
 							if (!sp) {
 								continue;
 							}
@@ -1955,8 +1955,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 						bool local_coords = (spatial_editor->are_local_coords_enabled() && _edit.plane != TRANSFORM_VIEW); // Disable local transformation for TRANSFORM_VIEW
 
 						List<Node *> &selection = editor_selection->get_selected_node_list();
-						for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-							Node3D *sp = Object::cast_to<Node3D>(E->get());
+						for (Node *E : selection) {
+							Node3D *sp = Object::cast_to<Node3D>(E);
 							if (!sp) {
 								continue;
 							}
@@ -2186,8 +2186,8 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *sp = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *sp = Object::cast_to<Node3D>(E);
 				if (!sp) {
 					continue;
 				}
@@ -3052,8 +3052,8 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 
 			undo_redo->create_action(TTR("Align Transform with View"));
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *sp = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *sp = Object::cast_to<Node3D>(E);
 				if (!sp) {
 					continue;
 				}
@@ -3088,8 +3088,8 @@ void Node3DEditorViewport::_menu_option(int p_option) {
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
 			undo_redo->create_action(TTR("Align Rotation with View"));
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *sp = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *sp = Object::cast_to<Node3D>(E);
 				if (!sp) {
 					continue;
 				}
@@ -3741,8 +3741,8 @@ void Node3DEditorViewport::focus_selection() {
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Node3D *sp = Object::cast_to<Node3D>(E->get());
+	for (Node *E : selection) {
+		Node3D *sp = Object::cast_to<Node3D>(E);
 		if (!sp) {
 			continue;
 		}
@@ -5176,8 +5176,8 @@ void Node3DEditor::_xform_dialog_action() {
 
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Node3D *sp = Object::cast_to<Node3D>(E->get());
+	for (Node *E : selection) {
+		Node3D *sp = Object::cast_to<Node3D>(E);
 		if (!sp) {
 			continue;
 		}
@@ -5413,8 +5413,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -5438,8 +5438,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -5463,8 +5463,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -5487,8 +5487,8 @@ void Node3DEditor::_menu_item_pressed(int p_option) {
 			undo_redo->create_action(TTR("Ungroup Selected"));
 			List<Node *> &selection = editor_selection->get_selected_node_list();
 
-			for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-				Node3D *spatial = Object::cast_to<Node3D>(E->get());
+			for (Node *E : selection) {
+				Node3D *spatial = Object::cast_to<Node3D>(E);
 				if (!spatial || !spatial->is_inside_tree()) {
 					continue;
 				}
@@ -6243,14 +6243,14 @@ void Node3DEditor::_refresh_menu_icons() {
 		all_locked = false;
 		all_grouped = false;
 	} else {
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<Node3D>(E->get()) && !Object::cast_to<Node3D>(E->get())->has_meta("_edit_lock_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<Node3D>(E) && !Object::cast_to<Node3D>(E)->has_meta("_edit_lock_")) {
 				all_locked = false;
 				break;
 			}
 		}
-		for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-			if (Object::cast_to<Node3D>(E->get()) && !Object::cast_to<Node3D>(E->get())->has_meta("_edit_group_")) {
+		for (Node *E : selection) {
+			if (Object::cast_to<Node3D>(E) && !Object::cast_to<Node3D>(E)->has_meta("_edit_group_")) {
 				all_grouped = false;
 				break;
 			}
@@ -6303,8 +6303,8 @@ void Node3DEditor::snap_selected_nodes_to_floor() {
 	List<Node *> &selection = editor_selection->get_selected_node_list();
 	Dictionary snap_data;
 
-	for (List<Node *>::Element *E = selection.front(); E; E = E->next()) {
-		Node3D *sp = Object::cast_to<Node3D>(E->get());
+	for (Node *E : selection) {
+		Node3D *sp = Object::cast_to<Node3D>(E);
 		if (sp) {
 			Vector3 from = Vector3();
 			Vector3 position_offset = Vector3();

editor/plugins/resource_preloader_editor_plugin.cpp

@@ -181,21 +181,21 @@ void ResourcePreloaderEditor::_update_library() {
 	preloader->get_resource_list(&rnames);
 
 	List<String> names;
-	for (List<StringName>::Element *E = rnames.front(); E; E = E->next()) {
-		names.push_back(E->get());
+	for (StringName &E : rnames) {
+		names.push_back(E);
 	}
 
 	names.sort();
 
-	for (List<String>::Element *E = names.front(); E; E = E->next()) {
+	for (String &E : names) {
 		TreeItem *ti = tree->create_item(root);
 		ti->set_cell_mode(0, TreeItem::CELL_MODE_STRING);
 		ti->set_editable(0, true);
 		ti->set_selectable(0, true);
-		ti->set_text(0, E->get());
-		ti->set_metadata(0, E->get());
+		ti->set_text(0, E);
+		ti->set_metadata(0, E);
 
-		RES r = preloader->get_resource(E->get());
+		RES r = preloader->get_resource(E);
 
 		ERR_CONTINUE(r.is_null());
 

editor/plugins/root_motion_editor_plugin.cpp

@@ -70,8 +70,8 @@ void EditorPropertyRootMotion::_node_assign() {
 		List<StringName> animations;
 		player->get_animation_list(&animations);
 
-		for (List<StringName>::Element *E = animations.front(); E; E = E->next()) {
-			Ref<Animation> anim = player->get_animation(E->get());
+		for (StringName &E : animations) {
+			Ref<Animation> anim = player->get_animation(E);
 			for (int i = 0; i < anim->get_track_count(); i++) {
 				paths.insert(anim->track_get_path(i));
 			}

editor/plugins/script_editor_plugin.cpp

@@ -103,8 +103,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 	const Color type_color = EDITOR_GET("text_editor/highlighting/engine_type_color");
 	List<StringName> types;
 	ClassDB::get_class_list(&types);
-	for (List<StringName>::Element *E = types.front(); E; E = E->next()) {
-		String n = E->get();
+	for (StringName &E : types) {
+		String n = E;
 		if (n.begins_with("_")) {
 			n = n.substr(1, n.length());
 		}
@@ -115,8 +115,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 	const Color usertype_color = EDITOR_GET("text_editor/highlighting/user_type_color");
 	List<StringName> global_classes;
 	ScriptServer::get_global_class_list(&global_classes);
-	for (List<StringName>::Element *E = global_classes.front(); E; E = E->next()) {
-		highlighter->add_keyword_color(E->get(), usertype_color);
+	for (StringName &E : global_classes) {
+		highlighter->add_keyword_color(E, usertype_color);
 	}
 
 	/* Autoloads. */
@@ -134,8 +134,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color basetype_color = EDITOR_GET("text_editor/highlighting/base_type_color");
 		List<String> core_types;
 		script->get_language()->get_core_type_words(&core_types);
-		for (List<String>::Element *E = core_types.front(); E; E = E->next()) {
-			highlighter->add_keyword_color(E->get(), basetype_color);
+		for (String &E : core_types) {
+			highlighter->add_keyword_color(E, basetype_color);
 		}
 
 		/* Reserved words. */
@@ -143,11 +143,11 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color control_flow_keyword_color = EDITOR_GET("text_editor/highlighting/control_flow_keyword_color");
 		List<String> keywords;
 		script->get_language()->get_reserved_words(&keywords);
-		for (List<String>::Element *E = keywords.front(); E; E = E->next()) {
-			if (script->get_language()->is_control_flow_keyword(E->get())) {
-				highlighter->add_keyword_color(E->get(), control_flow_keyword_color);
+		for (String &E : keywords) {
+			if (script->get_language()->is_control_flow_keyword(E)) {
+				highlighter->add_keyword_color(E, control_flow_keyword_color);
 			} else {
-				highlighter->add_keyword_color(E->get(), keyword_color);
+				highlighter->add_keyword_color(E, keyword_color);
 			}
 		}
 
@@ -157,9 +157,9 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		if (instance_base != StringName()) {
 			List<PropertyInfo> plist;
 			ClassDB::get_property_list(instance_base, &plist);
-			for (List<PropertyInfo>::Element *E = plist.front(); E; E = E->next()) {
-				String name = E->get().name;
-				if (E->get().usage & PROPERTY_USAGE_CATEGORY || E->get().usage & PROPERTY_USAGE_GROUP || E->get().usage & PROPERTY_USAGE_SUBGROUP) {
+			for (PropertyInfo &E : plist) {
+				String name = E.name;
+				if (E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP) {
 					continue;
 				}
 				if (name.find("/") != -1) {
@@ -170,8 +170,8 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 
 			List<String> clist;
 			ClassDB::get_integer_constant_list(instance_base, &clist);
-			for (List<String>::Element *E = clist.front(); E; E = E->next()) {
-				highlighter->add_member_keyword_color(E->get(), member_variable_color);
+			for (String &E : clist) {
+				highlighter->add_member_keyword_color(E, member_variable_color);
 			}
 		}
 
@@ -179,8 +179,7 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color comment_color = EDITOR_GET("text_editor/highlighting/comment_color");
 		List<String> comments;
 		script->get_language()->get_comment_delimiters(&comments);
-		for (List<String>::Element *E = comments.front(); E; E = E->next()) {
-			String comment = E->get();
+		for (String &comment : comments) {
 			String beg = comment.get_slice(" ", 0);
 			String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
 			highlighter->add_color_region(beg, end, comment_color, end == "");
@@ -190,8 +189,7 @@ void EditorStandardSyntaxHighlighter::_update_cache() {
 		const Color string_color = EDITOR_GET("text_editor/highlighting/string_color");
 		List<String> strings;
 		script->get_language()->get_string_delimiters(&strings);
-		for (List<String>::Element *E = strings.front(); E; E = E->next()) {
-			String string = E->get();
+		for (String &string : strings) {
 			String beg = string.get_slice(" ", 0);
 			String end = string.get_slice_count(" ") > 1 ? string.get_slice(" ", 1) : String();
 			highlighter->add_color_region(beg, end, string_color, end == "");

editor/plugins/script_text_editor.cpp

@@ -50,9 +50,7 @@ void ConnectionInfoDialog::popup_connections(String p_method, Vector<Node *> p_n
 		List<Connection> all_connections;
 		p_nodes[i]->get_signals_connected_to_this(&all_connections);
 
-		for (List<Connection>::Element *E = all_connections.front(); E; E = E->next()) {
-			Connection connection = E->get();
-
+		for (Connection &connection : all_connections) {
 			if (connection.callable.get_method() != p_method) {
 				continue;
 			}
@@ -116,8 +114,8 @@ Vector<String> ScriptTextEditor::get_functions() {
 	if (script->get_language()->validate(text, script->get_path(), &fnc)) {
 		//if valid rewrite functions to latest
 		functions.clear();
-		for (List<String>::Element *E = fnc.front(); E; E = E->next()) {
-			functions.push_back(E->get());
+		for (String &E : fnc) {
+			functions.push_back(E);
 		}
 	}
 
@@ -203,8 +201,7 @@ void ScriptTextEditor::_set_theme_for_script() {
 	List<String> strings;
 	script->get_language()->get_string_delimiters(&strings);
 	text_edit->clear_string_delimiters();
-	for (List<String>::Element *E = strings.front(); E; E = E->next()) {
-		String string = E->get();
+	for (String &string : strings) {
 		String beg = string.get_slice(" ", 0);
 		String end = string.get_slice_count(" ") > 1 ? string.get_slice(" ", 1) : String();
 		text_edit->add_string_delimiter(beg, end, end == "");
@@ -213,8 +210,7 @@ void ScriptTextEditor::_set_theme_for_script() {
 	List<String> comments;
 	script->get_language()->get_comment_delimiters(&comments);
 	text_edit->clear_comment_delimiters();
-	for (List<String>::Element *E = comments.front(); E; E = E->next()) {
-		String comment = E->get();
+	for (String &comment : comments) {
 		String beg = comment.get_slice(" ", 0);
 		String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
 		text_edit->add_comment_delimiter(beg, end, end == "");
@@ -417,8 +413,8 @@ void ScriptTextEditor::_validate_script() {
 		}
 
 		functions.clear();
-		for (List<String>::Element *E = fnc.front(); E; E = E->next()) {
-			functions.push_back(E->get());
+		for (String &E : fnc) {
+			functions.push_back(E);
 		}
 		script_is_valid = true;
 	}
@@ -432,9 +428,7 @@ void ScriptTextEditor::_validate_script() {
 		Node *base = get_tree()->get_edited_scene_root();
 		if (base && missing_connections.size() > 0) {
 			warnings_panel->push_table(1);
-			for (List<Connection>::Element *E = missing_connections.front(); E; E = E->next()) {
-				Connection connection = E->get();
-
+			for (Connection &connection : missing_connections) {
 				String base_path = base->get_name();
 				String source_path = base == connection.signal.get_object() ? base_path : base_path + "/" + base->get_path_to(Object::cast_to<Node>(connection.signal.get_object()));
 				String target_path = base == connection.callable.get_object() ? base_path : base_path + "/" + base->get_path_to(Object::cast_to<Node>(connection.callable.get_object()));
@@ -456,9 +450,7 @@ void ScriptTextEditor::_validate_script() {
 
 	// Add script warnings.
 	warnings_panel->push_table(3);
-	for (List<ScriptLanguage::Warning>::Element *E = warnings.front(); E; E = E->next()) {
-		ScriptLanguage::Warning w = E->get();
-
+	for (ScriptLanguage::Warning &w : warnings) {
 		Dictionary ignore_meta;
 		ignore_meta["line"] = w.start_line;
 		ignore_meta["code"] = w.string_code.to_lower();
@@ -488,9 +480,7 @@ void ScriptTextEditor::_validate_script() {
 
 	errors_panel->clear();
 	errors_panel->push_table(2);
-	for (List<ScriptLanguage::ScriptError>::Element *E = errors.front(); E; E = E->next()) {
-		ScriptLanguage::ScriptError err = E->get();
-
+	for (ScriptLanguage::ScriptError &err : errors) {
 		errors_panel->push_cell();
 		errors_panel->push_meta(err.line - 1);
 		errors_panel->push_color(warnings_panel->get_theme_color(SNAME("error_color"), SNAME("Editor")));
@@ -511,8 +501,8 @@ void ScriptTextEditor::_validate_script() {
 		if (errors.is_empty()) {
 			te->set_line_background_color(i, Color(0, 0, 0, 0));
 		} else {
-			for (List<ScriptLanguage::ScriptError>::Element *E = errors.front(); E; E = E->next()) {
-				bool error_line = i == E->get().line - 1;
+			for (ScriptLanguage::ScriptError &E : errors) {
+				bool error_line = i == E.line - 1;
 				te->set_line_background_color(i, error_line ? marked_line_color : Color(0, 0, 0, 0));
 				if (error_line) {
 					break;
@@ -910,8 +900,7 @@ void ScriptTextEditor::_update_connected_methods() {
 		List<Connection> connections;
 		nodes[i]->get_signals_connected_to_this(&connections);
 
-		for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {
-			Connection connection = E->get();
+		for (Connection &connection : connections) {
 			if (!(connection.flags & CONNECT_PERSIST)) {
 				continue;
 			}
@@ -1286,8 +1275,7 @@ void ScriptTextEditor::_edit_option_toggle_inline_comment() {
 	List<String> comment_delimiters;
 	script->get_language()->get_comment_delimiters(&comment_delimiters);
 
-	for (List<String>::Element *E = comment_delimiters.front(); E; E = E->next()) {
-		String script_delimiter = E->get();
+	for (String &script_delimiter : comment_delimiters) {
 		if (script_delimiter.find(" ") == -1) {
 			delimiter = script_delimiter;
 			break;