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			17 lines
		
	
	
		
			371 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			371 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| using L for I;
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| interface I { function f() external pure returns (uint); }
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| library L {
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|     function execute(I i) internal pure returns (uint) {
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|         return i.f();
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|     }
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| }
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| contract C is I {
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|     function x() public view returns (uint) {
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|         I i = this;
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|         return i.execute();
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|     }
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|     function f() public pure returns (uint) { return 7; }
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| }
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| // ----
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| // x() -> 7
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