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// SPDX-License-Identifier: MIT | ||
pragma solidity ^0.8.0; | ||
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library UnsafeMathUint256 { | ||
function unsafeAdd(uint256 a, uint256 b) internal pure returns (uint256) { | ||
unchecked { | ||
return a + b; | ||
} | ||
} | ||
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function unsafeSubtract(uint256 a, uint256 b) internal pure returns (uint256) { | ||
unchecked { | ||
return a - b; | ||
} | ||
} | ||
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function unsafeMultiply(uint256 a, uint256 b) internal pure returns (uint256) { | ||
unchecked { | ||
return a * b; | ||
} | ||
} | ||
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function unsafeDivide(uint256 a, uint256 b) internal pure returns (uint256) { | ||
unchecked { | ||
return a / b; | ||
} | ||
} | ||
} |