# Function nom::character::complete::one_of

source · [−]

    pub fn one_of<I, T, Error: ParseError<I>>(
        list: T
    ) -> impl Fn(I) -> IResult<I, char, Error> where
        I: Slice<RangeFrom<usize>> + InputIter,
        <I as InputIter>::Item: AsChar + Copy,
        T: FindToken<<I as InputIter>::Item>,

Expand description

Recognizes one of the provided characters.

Complete version: Will return an error if there’s not enough input data.

## Example

    assert_eq!(one_of::<_, _, (&str, ErrorKind)>("abc")("b"), Ok(("", 'b')));
    assert_eq!(one_of::<_, _, (&str, ErrorKind)>("a")("bc"), Err(Err::Error(("bc", ErrorKind::OneOf))));
    assert_eq!(one_of::<_, _, (&str, ErrorKind)>("a")(""), Err(Err::Error(("", ErrorKind::OneOf))));