pub fn be_u32<I, E: ParseError<I>>(input: I) -> IResult<I, u32, E> where
I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
Expand description
Recognizes a big endian unsigned 4 bytes integer.
Streaming version: Will return Err(nom::Err::Incomplete(_))
if there is not enough data.
use nom::number::streaming::be_u32;
let parser = |s| {
be_u32::<_, (_, ErrorKind)>(s)
};
assert_eq!(parser(&b"\x00\x01\x02\x03abcd"[..]), Ok((&b"abcd"[..], 0x00010203)));
assert_eq!(parser(&b"\x01"[..]), Err(Err::Incomplete(Needed::new(3))));