19 lines
		
	
	
		
			401 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			401 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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var callable = require('es5-ext/object/valid-callable')
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  , forOf    = require('es6-iterator/for-of')
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  , call = Function.prototype.call;
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module.exports = function (cb/*, thisArg*/) {
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	var thisArg = arguments[1], result = false;
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	callable(cb);
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	forOf(this, function (value, doBreak) {
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		if (call.call(cb, thisArg, value)) {
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			result = true;
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			doBreak();
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		}
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	});
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	return result;
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};
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