HaxeFoundation.haxe/std/js/Set.hx

/*
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package js;

import js.Map.MapEntry;

/**
	The `js.Set` object lets you store unique values of any type, whether 
	primitive values or object references.
	
	Documentation [Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) by [Mozilla Contributors](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set$history), licensed under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/).
**/
@:native("Set")
extern class Set<T> {
	/** 
		The number of values in the `js.Set` object. 
	**/
	var size(default,null):Int;

	/**
		If an iterable object is passed, all of its elements will be added to 
		the new `js.Set`. 
	**/
	@:pure function new(?iterable:Any);

	/**
		Returns a boolean asserting whether an element is present with the given
		value in the `js.Set` object or not.
	**/
	@:pure function has(value:T):Bool;

	/**
		Appends a new element with the given value to the `js.Set` object. 
		Returns the `js.Set` object.
	**/
	function add(value:T):Set<T>;

	/**
		Removes the element associated to the value and returns the value that
		`has(value)` would have previously returned. 
		`has(value)` will return `false` afterwards.
	**/
	function delete(value:T):Bool;

	/**
		Removes all elements from the `js.Set` object.
	**/
	function clear():Void;

	/**
		Calls `callback` once for each key-value pair present in the `js.Set` 
		object, in insertion order. 
		
		If a `thisArg` parameter is provided to forEach, it will be used as the
		`this` value for each callback.
	**/
	function forEach(callback:(value:T, key:T, set:Set<T>)->Void, ?thisArg:Any):Void;

	/**
		Returns a new `JsIterator` object that contains the keys for each element 
		in the `js.Set` object in insertion order.
	**/
	function keys():JsIterator<T>;

	/**
		Returns a new `JsIterator` object that contains the values for each 
		element in the `js.Set` object in insertion order.
	**/
	function values():JsIterator<T>;

	/**
		Returns a new `JsIterator` object that contains an array of 
		`[value, value]` for each element in the `js.Set` object, in insertion 
		order. 
		This is kept similar to the `js.Map` object, so that each entry has the 
		same value for its key and value here.
	**/
	function entries():JsIterator<MapEntry<T,T>>;
}