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https://github.com/ethereum/solidity
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10 lines
280 B
Solidity
10 lines
280 B
Solidity
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library D { function double(uint self) public returns (uint) { return 2*self; } }
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contract C {
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using D for uint;
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function f(uint a) public returns (uint) {
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return a.double();
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}
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}
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// ----
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// Warning: (12-79): Function state mutability can be restricted to pure
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