Function nom::combinator::rest_len [−][src]
pub fn rest_len<T, E: ParseError<T>>(input: T) -> IResult<T, usize, E> where
T: Slice<Range<usize>> + Slice<RangeFrom<usize>> + Slice<RangeTo<usize>>,
T: InputLength, Return the length of the remaining input
use nom::combinator::rest_len; assert_eq!(rest_len::<_,(_, ErrorKind)>("abc"), Ok(("abc", 3))); assert_eq!(rest_len::<_,(_, ErrorKind)>(""), Ok(("", 0)));