BasicSafeMath.sol

BasicSafeMath.sol

pragma solidity ^0.5.5;

import "@openzeppelin/contracts/math/SafeMath.sol";

contract BasicSafeMath {

  using SafeMath for uint;
  
  function doSomeMath(uint _a, uint _b) public returns (uint) {
    return _a.sub(_b);
  }
}