use nom::{error::Error, Finish};

    use nom::{error::Error, Finish, IResult};

    fn handle<I: ToOwned + ?Sized, O>(res: IResult<&I, O>) -> Result<O, Error<I::Owned>> {
        match res.finish() {
            Ok((_, res)) => Ok(res),
            Err(Error { input, code }) => Err({
                let input = input.to_owned();
                Error { input, code }
            }),
        }
    }

                        match $name::parse::$name(bytes).finish() {
                            Ok((_, res)) => Ok(res),
                            Err(Error { input, code }) => Err({
                                let input = input.to_owned();
                                Error { input, code }
                            })
                        }

                        handle($name::parse::$name(bytes))

        match gemtext::parse::document(input).finish() {
            Ok((_, b)) => Ok(b),
            Err(Error { input, code }) => Err({
                let input = input.to_string();
                Error { input, code }
            }),
        }

        handle(gemtext::parse::document(input))