solidity what's it code example
Example: Solidity
// SPDX-License-Identifier: GPL-3.0
pragma solidity >0.7.0 <0.8.0;
contract SimpleAuction {
function bid() public payable { // Function
// ...
}
}
// Helper function defined outside of a contract
function helper(uint x) pure returns (uint) {
return x * 2;
}