[u16] chunks to mnemonic indices by 11 bits.
[u8] chunks to base64 indices by 6 bits.
use xbits::XBits;
use xbits::FromBits;
assert_eq!(vec![0b1111_1111, 0b1100_0000].as_bits().all_one(), false);
assert_eq!(vec![0b1111_1111, 0b1100_0000].as_bits().trailing_zeros(), 6);
assert_eq!(
[0b1111_0000_u8].as_bits().iter().collect::<Vec<bool>>(),
vec![true, true, true, true, false, false, false, false]
);
assert_eq!(
vec![0b1111_1111, 0b1111_1111].as_bits().chunks(6).collect::<Vec<u8>>(),
vec![0b11_1111, 0b11_1111, 0b11_1100]
);
assert_eq!(
vec![0b1111_1111; 3].as_bits().chunks(11).collect::<Vec<u16>>(),
vec![0b111_1111_1111, 0b111_1111_1111, 0b110_0000_0000]
);
assert_eq!(
vec![0b1111_1111, 0b1100_0000].as_bits_mut().reverse().to_ref().as_bytes(),
vec![0b0000_0011, 0b1111_1111]
);
// FromBits
assert_eq!(
Vec::from_bits([true, true, true, true, false, false, false, false].iter().copied()),
[0b1111_0000]
);
assert_eq!(
Vec::from_bit_chunks([0b11_1111_u8, 0b11_1111, 0b11_1111].into_iter(), 6),
vec![0b1111_1111, 0b1111_1111, 0b1100_0000]
);
assert_eq!(
Vec::from_bit_chunks([0b1111_u16, 0b1111, 0b1111].into_iter(), 6),
vec![0b001111_00, 0b1111_0011, 0b1100_0000]
);