nom 6.0.0-beta2

#![cfg(feature = "bitvec")]

use bitvec::prelude::*;
use nom::{bytes::complete::tag, IResult};

#[test]
fn parse_bitstream() {
  let data = [0xA5u8, 0x69, 0xF0, 0xC3];
  let bits = data.view_bits::<Msb0>();

  fn parser(bits: &BitSlice<Msb0, u8>) -> IResult<&BitSlice<Msb0, u8>, &BitSlice<Msb0, u8>> {
    tag(bits![1, 0, 1, 0])(bits)
  }

  assert_eq!(parser(bits), Ok((&bits[..4], &bits[4..])));
}