E = enum
{
    zero = 0,
    one = 1,
    two = 2,
    three = 3,
}

[export] main = fn [cc(c)] () s32
{
    >a: E = .three;
    >b: E = .two;
    >c: E = .one;
    >a_int: s32 = #extend(#int_from_enum(a));
    >b_int: s32 = #extend(#int_from_enum(b));
    >c_int: s32 = #extend(#int_from_enum(c));
    return a_int - (b_int + c_int);
}