Function `be_u8`

fn be_u8<I, E: ParseError<I>>(input: I) -> IResult<I, u8, E>
where
    I: Input<Item = u8>

Recognizes an unsigned 1 byte integer.

Complete version: Returns an error if there is not enough input data.

# use nom::{Err, error::ErrorKind, Needed};
# use nom::Needed::Size;
use nom::number::complete::be_u8;

let parser = |s| {
  be_u8(s)
};

assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));