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11 lines
261 B
11 lines
261 B
5 years ago
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pragma solidity >=0.4.24;
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contract SafeAdd {
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function add(uint x, uint y) public pure returns (uint z) {
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require((z = x + y) >= x);
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}
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function add_v2(uint x, uint y) public pure returns (uint z) {
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require((z = x + y) >= x);
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}
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}
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