pub fn be_i32<I, E>(input: I) -> Result<(I, i32), Err<E>>
where E: ParseError<I>, I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
Available on crate feature mtls only.
Expand description

Recognizes a big endian signed 4 bytes integer.

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

use nom::number::complete::be_i32;

let parser = |s| {
  be_i32(s)
};

assert_eq!(parser(&b"\x00\x03\x05\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00030507)));
assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));