hexga_bitflags 0.0.11-beta.53

Bitflags utilities
Documentation 
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#[cfg(test)]
mod tests
{
    use hexga_bitflags::*;

    #[bit_index]
    #[repr(u8)]
    pub enum Color
    {
        Red,
        Green,
        Blue = 5,
        Yellow, // = 6
        RedAndBlue = Color::Red | Self::Blue,
        Purple, // 7
        GreenAndYellowAndPurple = (Color::Yellow | Self::Purple) | Self::Green,
    }

    #[test]
    fn increment_variant()
    {
        assert_eq!(Color::Red as u8, 0);
        assert_eq!(Color::Red.index(), 0);
        assert_eq!(Color::Red.bits(), 0b1);
        assert_eq!(Color::Red.flags().bits(), 0b1);

        assert_eq!(Color::Green as u8, 1);
        assert_eq!(Color::Green.index(), 1);
        assert_eq!(Color::Green.bits(), 0b10);
        assert_eq!(Color::Green.flags().bits(), 0b10);

        assert_eq!(Color::Blue as u8, 5);
        assert_eq!(Color::Blue.index(), 5);
        assert_eq!(Color::Blue.bits(), 0b100000);
        assert_eq!(Color::Blue.flags().bits(), 0b100000);

        assert_eq!(Color::Yellow as u8, 6);
        assert_eq!(Color::Yellow.index(), 6);
        assert_eq!(Color::Yellow.bits(), 0b1000000);
        assert_eq!(Color::Yellow.flags().bits(), 0b1000000);

        assert_eq!(Color::Purple as u8, 7);
        assert_eq!(Color::Purple.index(), 7);
        assert_eq!(Color::Purple.bits(), 0b10000000);
        assert_eq!(Color::Purple.flags().bits(), 0b10000000);

        assert_eq!(Color::Red | Color::Blue, ColorFlags::RedAndBlue);
        assert_eq!(ColorFlags::Red | Color::Blue, ColorFlags::RedAndBlue);
        assert_eq!(ColorFlags::Blue | Color::Red, ColorFlags::RedAndBlue);
        assert_eq!(Color::Red | ColorFlags::Blue, ColorFlags::RedAndBlue);
        assert_eq!(Color::Blue | ColorFlags::Red, ColorFlags::RedAndBlue);
        assert_eq!(ColorFlags::Blue | ColorFlags::Red, ColorFlags::RedAndBlue);
        assert_eq!(ColorFlags::Red | ColorFlags::Blue, ColorFlags::RedAndBlue);

        assert_eq!(
            ColorFlags::GreenAndYellowAndPurple,
            Color::Green | Color::Yellow | Color::Purple
        );

        assert_eq!(
            ColorFlags::RedAndBlue.collect::<Vec<_>>(),
            vec![Color::Red, Color::Blue]
        );
        assert_eq!(
            ColorFlags::GreenAndYellowAndPurple.collect::<Vec<_>>(),
            vec![Color::Green, Color::Yellow, Color::Purple]
        );

        assert_eq!(ColorFlags::RedAndBlue & Color::Red, Color::Red);
        assert_eq!(ColorFlags::RedAndBlue & Color::Red, ColorFlags::Red);
    }
}