pub fn be_u32<'a, E: ParseError<&'a [u8]>>(
i: &'a [u8]
) -> IResult<&'a [u8], u32, E>
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::Size(4))));