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

interface I {
    enum Direction { A, B, Left, Right }
}
library L {
    enum Direction { Left, Right }
    function f() public pure returns (Direction) {
        return Direction.Right;
    }
    function g() public pure returns (I.Direction) {
        return I.Direction.Right;
    }
}
contract C is I {
    function f() public pure returns (Direction) {
        return Direction.Right;
    }
    function g() public pure returns (I.Direction) {
        return I.Direction.Right;
    }
    function h() public pure returns (L.Direction) {
        return L.Direction.Right;
    }
    function x() public pure returns (L.Direction) {
        return L.f();
    }
    function y() public pure returns (I.Direction) {
        return L.g();
    }
}
// ----
// library: L
// f() -> 3
// g() -> 3
// f() -> 3
// g() -> 3
// h() -> 1
// x() -> 1
// y() -> 3