Function todo

pub fn todo<Input, Output, Error>(
    input: &mut Input,
) -> Result<Output, ErrMode<Error>> 
where
    Input: Stream,

Available on crate feature dep_winnow only.

A placeholder for a not-yet-implemented Parser

This is analogous to the todo! macro and helps with prototyping.

Panic

This will panic when parsing

Example

fn parser(input: &mut &str) -> PResult<u64> {
    todo(input)
}