Macro peel_ip::prelude::take_till_s

macro_rules! take_till_s {
    ( $ input : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) ) => { ... };
    (
$ input : expr , $ f : expr ) => { ... };
}

take_till_s!(&str -> bool) => &str -> IResult<&str, &str> returns the longest list of characters until the provided function succeeds

The argument is either a function char -> bool or a macro returning a `bool