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			18 lines
		
	
	
		
			410 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			410 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
library D {
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    struct s { uint a; }
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    function mul(s storage self, uint x) public returns (uint) { return self.a *= x; }
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    function mul(s storage self, bytes32 x) public returns (bytes32) { }
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}
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contract C {
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    using D for D.s;
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    D.s public x;
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    function f(uint a) public returns (uint) {
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        x.a = 6;
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        return x.mul(a);
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    }
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}
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// ----
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// library: D
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// f(uint256): 7 -> 0x2a
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// x() -> 0x2a
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