| // check-pass | |
| #![feature(coroutines, coroutine_trait)] | |
| #![feature(type_alias_impl_trait)] | |
| trait Trait {} | |
| impl<T> Trait for T {} | |
| type Foo<'c> = impl Trait + 'c; | |
| fn foo<'a>(rng: &'a ()) -> Foo<'a> { | |
| fn helper<'b>(rng: &'b ()) -> impl 'b + Trait { | |
| rng | |
| } | |
| helper(rng) | |
| } | |
| fn main() { | |
| } |