i don't know why i get this problem, anybody who can helps thanks a lot
pragma solidity ^0.4.21;
contract MathContract { function mulAtoB(uint a, uint b) pure public returns(uint) { return a * b; } }
Error parsing /Users/yuwei/Desktop/1110/demo1/abcd/contracts/Migrations.sol: ParsedContract.sol:7:14: ParserError: Expected identifier, got 'LParen' constructor() public {
YuweideMacBook-Air:abcd yuwei$ truffle version Truffle v4.1.4 (core: 4.1.4) Solidity v0.4.21 (solc-js)