nom::take_until_either!

macro_rules! take_until_either(
  ($i:expr, $inp:expr) => (
    {
      #[inline(always)]
      fn as_bytes<T: $crate::AsBytes>(b: &T) -> &[u8] {
        b.as_bytes()
      }

      let expected   = $inp;
      let bytes      = as_bytes(&expected);
      let mut index  = 0;
      let mut parsed = false;

      for idx in 0..$i.len() {
        if idx + 1 > $i.len() {
          index = idx;
          break;
        }
        for &t in bytes.iter() {
          if $i[idx] == t {
            parsed = true;
            index = idx;
            break;
          }
        }
        if parsed { break; }
      }
      if index + 1 > $i.len() {
        $crate::IResult::Incomplete($crate::Needed::Size(index + 1))
      } else {
        if parsed {
          $crate::IResult::Done(&$i[index..], &$i[0..index])
        } else {
          $crate::IResult::Error($crate::Err::Position($crate::ErrorCode::TakeUntilEither as u32,$i))
        }
      }
    }
  );
);

take_until_either!(tag) => &[T] -> IResult<&[T], &[T]>