Expand description
Recognizes a hex-encoded integer.
Complete version: Will parse until the end of input if it has less than 8 bytes.
use nom::number::complete::hex_u32;
let parser = |s| {
hex_u32(s)
};
assert_eq!(parser(&b"01AE"[..]), Ok((&b""[..], 0x01AE)));
assert_eq!(parser(&b"abc"[..]), Ok((&b""[..], 0x0ABC)));
assert_eq!(parser(&b"ggg"[..]), Err(Err::Error((&b"ggg"[..], ErrorKind::IsA))));