67 lines
2.7 KiB
Haxe
67 lines
2.7 KiB
Haxe
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/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package js.lib;
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/**
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The `WeakMap` object is a collection of key/value pairs in which the keys are weakly referenced.
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The keys must be objects and the values can be arbitrary values.
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You can learn more about WeakMaps in the section [WeakMap object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Keyed_collections#WeakMap_object)
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in [Keyed collections](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Keyed_collections).
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Documentation [WeakMap](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap) by [Mozilla Contributors](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap$history), licensed under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/).
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**/
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@:native("WeakMap")
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extern class WeakMap<T> {
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/**
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The value of the `length` property is 0.
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**/
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static final length:Int;
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/**
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If an iterable object is passed, all of its elements will be added to the new WeakSet.
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null is treated as undefined.
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**/
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@:pure function new(?iterable:Any);
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/**
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Removes any value associated to the `key`. `has(key)` will return `false` afterwards.
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**/
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function delete(key:{}):Bool;
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/**
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Returns the value associated to the `key`, or `undefined` if there is none.
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**/
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@:pure function get(key:{}):T;
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/**
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Returns a Boolean asserting whether a value has been associated to the `key` in the `WeakMap` object or not.
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**/
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@:pure function has(key:{}):Bool;
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/**
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Sets the value for the `key` in the `WeakMap` object. Returns the `WeakMap` object.
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**/
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function set(key:{}, value:T):WeakMap<T>;
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}
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