| #![feature(return_position_impl_trait_in_trait)] | |
| trait Foo { | |
| fn test() -> impl Sized; | |
| } | |
| impl<'a, T> Foo for T { | |
| //~^ ERROR the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates | |
| fn test() -> &'a () { | |
| &() | |
| } | |
| } | |
| fn main() {} |