gyas-kk
/ isystoken.sol
Last active
June 29, 2018 10:21
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| pragma solidity ^0.4.23; | |
| // SafeMath | |
| library SafeMath { | |
| function mul(uint256 a, uint256 b) internal pure returns (uint256) { | |
| if (a == 0) { | |
| return 0; | |
| } | |
| uint256 c = a * b; | |
| assert(c / a == b); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| pragma solidity ^0.4.23; | |
| library SafeMath { | |
| /** | |
| * @dev Multiplies two numbers, throws on overflow. | |
| */ | |
| function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { | |
| if (a == 0) { | |
| return 0; |