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* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* 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.
*/
'use strict';
// MODULES //
var hasToStringTagSupport = require( '@stdlib/assert/has-tostringtag-support' );
// MAIN //
/**
* ToStringTag symbol.
*
* @name ToStringTagSymbol
* @constant
* @type {(symbol|null)}
*
* @example
* function Person( name ) {
* this.name = name;
*
* // Provide a custom `toString` tag:
* if ( ToStringTagSymbol ) {
* this[ ToStringTagSymbol ] = 'Person';
* }
* }
*
* var p = new Person( 'Alice' );
* console.log( Object.prototype.toString.call( p ) );
* // => '[object Person]'
*/
var ToStringTagSymbol = ( hasToStringTagSupport() ) ?
Symbol.toStringTag :
null;
// EXPORTS //
module.exports = ToStringTagSymbol;
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