| //@revisions: edition2015 edition2024 | |
| //@[edition2015] edition:2015 | |
| //@[edition2024] edition:2024 | |
| #![feature(impl_trait_in_fn_trait_return)] | |
| use std::fmt::Debug; | |
| fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { | |
| |x| x | |
| //~^ ERROR expected generic lifetime parameter, found `'_` | |
| } | |
| fn _b<'a>() -> impl Fn(&'a u8) -> (impl Debug + 'a) { | |
| a() | |
| } | |
| fn main() {} |