add version 2.3.0 and checks for pyincpp (#4066)

* add version 2.3.0 and checks for pyincpp

* fix on_check

* refine on_check

* refine on_check

* check: macos.version

* use check_cxxsnippets in on_check

packages/p/pyincpp/xmake.lua

@@ -6,25 +6,54 @@ package("pyincpp")
     add_urls("https://github.com/chen-qingyu/pyincpp/archive/refs/tags/$(version).tar.gz",
              "https://github.com/chen-qingyu/pyincpp.git")
 
+    add_versions("v2.3.0", "e10640c03a6ae9365a299f57a68a5f2a873146b07f92fd33bc4f673e21d68072")
     add_versions("v1.6.1", "6a49657cb1f36f4fa400706a631c300771972015b4181f8cc352aa3de7e1a2a3")
     add_versions("v1.6.0", "1e8e4bfde447c439974180e206087b309f50ac0e24aeddf39d21d73fd7067368")
     add_versions("v1.4.1", "f3de3b5044a5c640811e87782264acbaf14697cd8c35bb21ddcd4de5664a60d0")
     add_versions("v1.3.3", "2689349de9faa35d8bbefddcc7d29d49308a2badd58961cc2b1a8f80c96d0823")
     add_versions("v1.3.2", "687148704f278c292962cffe1f440e5a4cc33f2a82f5e5a17b23aab88a282951")
 
+    -- Some old platforms cannot support the C++20 standard well
+    if on_check then
+        on_check("android", "macosx", function (package)
+            if package:version():ge("2.0.0") then
+                assert(package:check_cxxsnippets({test = [[
+                    #if !((defined(_MSVC_LANG) && _MSVC_LANG > 201703L) || __cplusplus > 201703L)
+                    #error "Require at least C++20."
+                    #endif
+                ]]}, {configs = {languages = "c++20"}}))
+            end
+        end)
+    end
+
     on_install(function (package)
-        os.cp("sources/*.hpp", package:installdir("include/pyincpp"))
+        if package:version():ge("2.0.0") then
+            os.cp("sources/*.hpp", package:installdir("include/"))
+        else -- v1.x.x
+            os.cp("sources/*.hpp", package:installdir("include/pyincpp/"))
+        end
     end)
 
     on_test(function (package)
-        assert(package:check_cxxsnippets({test = [[
-            #include <cassert>
-            using namespace pyincpp;
-            void test() {
-                Map<String, List<Integer>> map = {{"first", {123, 456}}, {"second", {789}}, {"second", {0}}, {"third", {"12345678987654321", 5}}};
-                assert(map.size() == 3);
-                assert(map.keys() == Set<String>({"first", "second", "third"}));
-                assert(map["third"][-1].factorial() == 120);
-            }
-        ]]}, {configs = {languages = "c++17"}, includes = "pyincpp/pyincpp.hpp"}))
+        if package:version():ge("2.0.0") then
+            assert(package:check_cxxsnippets({test = [[
+                #include <cassert>
+                using namespace pyincpp;
+                void test() {
+                    Dict<Str, List<Int>> dict = {{"first", {"123", "456"}}, {"second", {"789"}}, {"third", {"12345678987654321", "5"}}};
+                    assert(dict.keys() == Set<Str>({"first", "second", "third"}));
+                    assert(dict["third"][-1].factorial() == 120);
+                }
+            ]]}, {configs = {languages = "c++20"}, includes = "pyincpp.hpp"}))
+        else -- v1.x.x
+            assert(package:check_cxxsnippets({test = [[
+                #include <cassert>
+                using namespace pyincpp;
+                void test() {
+                    Map<String, List<Integer>> map = {{"first", {"123", "456"}}, {"second", {"789"}}, {"third", {"12345678987654321", "5"}}};
+                    assert(map.keys() == Set<String>({"first", "second", "third"}));
+                    assert(map["third"][-1].factorial() == 120);
+                }
+            ]]}, {configs = {languages = "c++17"}, includes = "pyincpp/pyincpp.hpp"}))
+        end
     end)