1 // Test that `impl MyTrait for Foo<'_>` works.
9 struct Foo<'a> { x: &'a u32 }
11 impl MyTrait for Foo<'_> {
14 fn impls_my_trait<T: MyTrait>() { }
16 fn impls_my_trait_val<T: MyTrait>(_: T) {
17 impls_my_trait::<T>();
20 fn random_where_clause()
21 where for<'a> Foo<'a>: MyTrait { }
25 let f = Foo { x: &x };
27 // This type is `Foo<'x>` for a local lifetime `'x`; so the impl
28 // must apply to any lifetime to apply to this.
29 impls_my_trait_val(f);
31 impls_my_trait::<Foo<'static>>();
33 random_where_clause();