Function nom::number::complete::hex_u32

source ·
pub fn hex_u32<'a, E: ParseError<&'a [u8]>>(
    input: &'a [u8]
) -> IResult<&'a [u8], u32, E>
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))));