5 lines
		
	
	
		
			125 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			5 lines
		
	
	
		
			125 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
module.exports = function (it) {
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  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
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  return it;
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};
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