rocket::mtls::oid::asn1_rs::nom::number::streaming

Function be_u8

Source 
pub fn be_u8<I, E>(input: I) -> Result<(I, u8), Err<E>>
where
    E: ParseError<I>,
    I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
Available on crate feature mtls only.
Expand description

Recognizes an unsigned 1 byte integer.

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

use nom::number::streaming::be_u8;

let parser = |s| {
  be_u8::<_, (_, ErrorKind)>(s)
};

assert_eq!(parser(&b"\x00\x01abcd"[..]), Ok((&b"\x01abcd"[..], 0x00)));
assert_eq!(parser(&b""[..]), Err(Err::Incomplete(Needed::new(1))));