Function hex_u32

pub fn hex_u32<I, E>(input: I) -> Result<(I, u32), Err<E>>
where
    E: ParseError<I>,
    I: Input + AsBytes,
    <I as Input>::Item: AsChar,

Recognizes a hex-encoded integer.

Streaming version: Will return Err(nom::Err::Incomplete(_)) if there is not enough data.

use nom::number::streaming::hex_u32;

let parser = |s| {
  hex_u32(s)
};

assert_eq!(parser(&b"01AE;"[..]), Ok((&b";"[..], 0x01AE)));
assert_eq!(parser(&b"abc"[..]), Err(Err::Incomplete(Needed::new(1))));
assert_eq!(parser(&b"ggg"[..]), Err(Err::Error((&b"ggg"[..], ErrorKind::IsA))));