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https://github.com/ethereum/solidity
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14 lines
312 B
Solidity
14 lines
312 B
Solidity
pragma experimental SMTChecker;
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contract C {
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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// TODO remove when SMTChecker sees that this code is the `else` of the `return`.
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require(a != 0);
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uint256 c = a * b;
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require(c / a == b);
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return c;
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}
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}
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