| // Test that Fn-family traits with lifetime parameters shouldn't compile and |
| // we suggest the usage of higher-rank trait bounds instead. |
| |
| fn fa(_: impl Fn<'a>(&'a str) -> bool) {} |
| //~^ ERROR `Fn` traits cannot take lifetime parameters |
| |
| fn fb(_: impl FnMut<'a, 'b>(&'a str, &'b str) -> bool) {} |
| //~^ ERROR `Fn` traits cannot take lifetime parameters |
| |
| fn fc(_: impl std::fmt::Display + FnOnce<'a>(&'a str) -> bool + std::fmt::Debug) {} |
| //~^ ERROR `Fn` traits cannot take lifetime parameters |
| |
| use std::ops::Fn as AliasedFn; |
| fn fd(_: impl AliasedFn<'a>(&'a str) -> bool) {} |
| //~^ ERROR `Fn` traits cannot take lifetime parameters |
| |
| fn fe<F>(_: F) where F: Fn<'a>(&'a str) -> bool {} |
| //~^ ERROR `Fn` traits cannot take lifetime parameters |
| |
| fn main() {} |
