Function cron::recognize_float

pub fn recognize_float<T>(input: T) -> Result<(T, T), Err<T, u32>> where
    T: Slice<Range<usize>> + Slice<RangeFrom<usize>> + Slice<RangeTo<usize>> + Clone + Offset + InputIter + AtEof + InputTakeAtPosition,
    <T as InputIter>::Item: AsChar,
    <T as InputTakeAtPosition>::Item: AsChar,