solidity/test/libsolidity/semanticTests/enums/using_enums.sol

contract test {
    enum ActionChoices {GoLeft, GoRight, GoStraight, Sit}

    constructor() public {
        choices = ActionChoices.GoStraight;
    }

    function getChoice() public returns (uint256 d) {
        d = uint256(choices);
    }

    ActionChoices choices;
}

// ----
// getChoice() -> 2