andrejrakic

pragma solidity >= 0.5.0 < 0.6.0;

// @author Andrej
// @title Election

contract Election {
    address payable public contractOwner;
    
     struct Candidate {
        string name;

andrejrakic

pragma solidity ^0.6.0;

contract HotelRoom {
     
    enum Statuses { Vacant, Occupied }
    Statuses currentStatus;
    
    event Occupy(address _occupant, uint _amount);
    
    address payable public owner;

andrejrakic

pragma solidity ^0.6.0;

contract MyContract {
    
    uint[] public numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
    
    address public owner;
    
    constructor() public {
        owner = msg.sender;

andrejrakic

pragma solidity ^0.6.0;

contract Mappings {
    // Mappings are data structure like dictionary in C# or hash tables in C++
    // O(1)
    // mapping(key => value) myMapping;
    // One can make nested mappings as well
    // Mappings are like databases for blockchain and they are very useful
    
    mapping(uint => string) public names;