ror_enum_primitive_equal.cpp

/// @copyright Boost License 1.0, http://boost.org/LICENSE_1_0.txt
/// @date 2017
/// @author Joakim Brännström (joakim.brannstrom@gmx.com)

enum class MyE { A, B, C };

void relation_operators() {
    MyE a = MyE::A;
    MyE b = MyE::C;

    bool g0 = a == b;

    bool g1 = MyE::A == b; // MyE::A <= b
    bool g2 = MyE::B == b; // MyE::B <= b and MyE::B >= b
    bool g3 = MyE::C == b; // MyE::C >= b

    bool g4 = a == MyE::A; // a >= MyE::A
    bool g5 = a == MyE::B; // a >= MyE::B and a <= MyE::B
    bool g6 = a == MyE::C; // a <= MyE::C
}