9 lines
		
	
	
		
			330 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			9 lines
		
	
	
		
			330 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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require('../../modules/es6.weak-map');
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require('../../modules/es7.weak-map.from');
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var $WeakMap = require('../../modules/_core').WeakMap;
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var $from = $WeakMap.from;
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module.exports = function from(source, mapFn, thisArg) {
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  return $from.call(typeof this === 'function' ? this : $WeakMap, source, mapFn, thisArg);
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};
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