#[test]
fn test_all_named_flags() {
    // use bitflags::bitflags;

    bitflags! {
        #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
        struct Flags: u32 {
            const A = 0b00000001;
            const Zero = 0;
            const B = 0b00000010;
            const C = 0b00000100;
            const CC = 0b00000100;
            const D = 0b10000100;
            const ABC = Self::A.bits() | Self::B.bits() | Self::C.bits();
            const AB = Self::A.bits() | Self::B.bits();
            const AC = Self::A.bits() | Self::C.bits();
            const CB = Self::B.bits() | Self::C.bits();
        }
    }

    for flag in Flags::all_named_flags() {
        println!("{:?}", flag);
    }
}