pub fn recognize_float<T, E: ParseError<T>>(input: T) -> IResult<T, T, E> where
T: Slice<RangeFrom<usize>> + Slice<RangeTo<usize>>,
T: Clone + Offset,
T: InputIter,
<T as InputIter>::Item: AsChar,
T: InputTakeAtPosition + InputLength,
<T as InputTakeAtPosition>::Item: AsChar,
Expand description
Recognizes a floating point number in text format and returns the corresponding part of the input.
Streaming version: Will return Err(nom::Err::Incomplete(_))
if it reaches the end of input.
use nom::number::streaming::recognize_float;
let parser = |s| {
recognize_float(s)
};
assert_eq!(parser("11e-1;"), Ok((";", "11e-1")));
assert_eq!(parser("123E-02;"), Ok((";", "123E-02")));
assert_eq!(parser("123K-01"), Ok(("K-01", "123")));
assert_eq!(parser("abc"), Err(Err::Error(("abc", ErrorKind::Char))));