| fn strip_lf(s: &str) -> &str { | |
| s.strip_suffix(b'\n').unwrap_or(s) | |
| //~^ ERROR expected a `FnMut<(char,)>` closure, found `u8` | |
| //~| NOTE expected an `FnMut<(char,)>` closure, found `u8` | |
| //~| NOTE required by a bound introduced by this call | |
| //~| HELP the trait `FnMut<(char,)>` is not implemented for `u8` | |
| //~| HELP the following other types implement trait `Pattern<'a>`: | |
| //~| NOTE required because of the requirements on the impl of `Pattern<'_>` for `u8` | |
| } | |
| fn main() {} |