Given the following enum:

enum MyEnum : int {
    eInvalid = 1,
    eFrog = 2,
    eGoat = 4,
    eFish = 8,
    eMonkey = 16,
};

I propose that:

    std::enum_max<MyEnum>

would evaluate to 16, and that:

    std::enum_min<MyEnum>

would evaluate to 1.