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// Copyright 2009 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Provides a base class for custom Error objects such that the
* stack is correctly maintained.
*
* You should never need to throw goog.debug.Error(msg) directly, Error(msg) is
* sufficient.
*
*/
goog.provide('goog.debug.Error');
/**
* Base class for custom error objects.
* @param {*=} opt_msg The message associated with the error.
* @constructor
* @extends {Error}
*/
goog.debug.Error = function(opt_msg) {
// Ensure there is a stack trace.
if (Error.captureStackTrace) {
Error.captureStackTrace(this, goog.debug.Error);
} else {
this.stack = new Error().stack || '';
}
if (opt_msg) {
this.message = String(opt_msg);
}
};
goog.inherits(goog.debug.Error, Error);
/** @override */
goog.debug.Error.prototype.name = 'CustomError';
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