critesjosh

pragma solidity ^0.5.0;

contract Base {
    
    uint x;
    
    constructor() public {
        x = 10;
    }
    

evertonfraga

pragma solidity ^0.4.8;

contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); }

contract MyToken {
    /* Public variables of the token */
    string public standard = 'Token 0.1';
    string public name;
    string public symbol;
    uint8 public decimals;