- // Exports true if environment provides native `WeakMap` implementation, whatever that is.
 
- 'use strict';
 
- module.exports = (function () {
 
- 	if (typeof WeakMap !== 'function') return false;
 
- 	return (Object.prototype.toString.call(new WeakMap()) === '[object WeakMap]');
 
- }());
 
 
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