crispii_bits 0.1.0

Bit related functionality intended for use with Crispii
Documentation 
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use crate::PosU64;

pub trait FlipU64 { 
    fn flip_bit(self, pos_u64: PosU64) -> Self;
}

impl FlipU64 for u64 {
    fn flip_bit(self, pos_u64: PosU64) -> Self {
        self ^ (1 << u8::from(pos_u64))
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn bit_60_flip_on() {
        let result = 0b0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000.flip_bit(PosU64::B60);

        assert_eq!(result, 0b0001_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000);
    }

    #[test]
    fn bit_61_off() {
        let result = 0b1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111.flip_bit(PosU64::B61);

        assert_eq!(result, 0b1101_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111);
    }
}