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			14 lines
		
	
	
		
			249 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			249 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| contract C {
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|     function f(uint) external {
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|     }
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| }
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| interface I {
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|     function f(uint) external;
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| }
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| 
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| contract Test {
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|     using C for uint;
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| }
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| // ----
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| // TypeError 4357: (127-128): Library name expected. If you want to attach a function, use '{...}'.
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