rocket::mtls::oid::asn1_rs::nom::character::streaming

Function digit0

Source 
pub fn digit0<T, E>(input: T) -> Result<(T, T), Err<E>>
where
    E: ParseError<T>,
    T: InputTakeAtPosition,
    <T as InputTakeAtPosition>::Item: AsChar,
Available on crate feature mtls only.
Expand description

Recognizes zero or more ASCII numerical characters: 0-9

Streaming version: Will return Err(nom::Err::Incomplete(_)) if there’s not enough input data, or if no terminating token is found (a non digit character).

§Example

assert_eq!(digit0::<_, (_, ErrorKind)>("21c"), Ok(("c", "21")));
assert_eq!(digit0::<_, (_, ErrorKind)>("a21c"), Ok(("a21c", "")));
assert_eq!(digit0::<_, (_, ErrorKind)>(""), Err(Err::Incomplete(Needed::new(1))));