Function nom8::character::multispace0

source ·
pub fn multispace0<T, E: ParseError<T>, const STREAMING: bool>(
    input: T
) -> IResult<T, <T as IntoOutput>::Output, E>where
    T: InputTakeAtPosition + InputIsStreaming<STREAMING> + IntoOutput,
    <T as InputTakeAtPosition>::Item: AsChar + Clone,
Expand description

Recognizes zero or more spaces, tabs, carriage returns and line feeds.

Complete version: will return the whole input if no terminating token is found (a non space character).

Streaming version: Will return Err(nom8::Err::Incomplete(_)) if there’s not enough input data, or if no terminating token is found (a non space character).

Example

fn parser(input: &str) -> IResult<&str, &str> {
    multispace0(input)
}

assert_eq!(parser(" \t\n\r21c"), Ok(("21c", " \t\n\r")));
assert_eq!(parser("Z21c"), Ok(("Z21c", "")));
assert_eq!(parser(""), Ok(("", "")));
assert_eq!(multispace0::<_, (_, ErrorKind), true>(Streaming(" \t\n\r21c")), Ok((Streaming("21c"), " \t\n\r")));
assert_eq!(multispace0::<_, (_, ErrorKind), true>(Streaming("Z21c")), Ok((Streaming("Z21c"), "")));
assert_eq!(multispace0::<_, (_, ErrorKind), true>(Streaming("")), Err(Err::Incomplete(Needed::new(1))));