47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
// Copyright 2013 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.events.EventId');
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/**
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* A templated class that is used when registering for events. Typical usage:
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*
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* /** @type {goog.events.EventId<MyEventObj>} *\
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* var myEventId = new goog.events.EventId(
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* goog.events.getUniqueId(('someEvent'));
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*
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* // No need to cast or declare here since the compiler knows the
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* // correct type of 'evt' (MyEventObj).
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* something.listen(myEventId, function(evt) {});
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*
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* @param {string} eventId
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* @template T
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* @constructor
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* @struct
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* @final
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*/
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goog.events.EventId = function(eventId) {
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/** @const */ this.id = eventId;
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};
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/**
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* @override
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*/
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goog.events.EventId.prototype.toString = function() {
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return this.id;
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};
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