Function disallow_leftover

pub fn disallow_leftover<I, O, E>(
    result: IResult<I, O, Error<ParserErrorKind>>,
) -> Result<O, E>
where
    I: ErrorInput,
    E: From<SyntaxError<O>>,

If parsing was successful but there is leftover input, returns a SyntaxError::Leftover containing the output.

See also LeftoverError.