| fn strip_lf(s: &str) -> &str { | |
| s.strip_suffix(b'\n').unwrap_or(s) | |
| //~^ ERROR the trait bound `u8: Pattern` is not satisfied | |
| //~| NOTE required by a bound introduced by this call | |
| //~| NOTE the trait `FnMut(char)` is not implemented for `u8`, which is required by `u8: Pattern` | |
| //~| HELP the following other types implement trait `Pattern`: | |
| //~| NOTE required for `u8` to implement `Pattern` | |
| //~| NOTE required by a bound in `core::str::<impl str>::strip_suffix` | |
| } | |
| fn main() {} |