src/test/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs

   1 #![feature(type_alias_impl_trait)]
   2
   3 type Foo = impl PartialEq<(Foo, i32)>;
   4
   5 struct Bar;
   6
   7 impl PartialEq<(Foo, i32)> for Bar {
   8     fn eq(&self, _other: &(Foo, i32)) -> bool {
   9         true
  10     }
  11 }
  12
  13 fn foo() -> Foo {
  14     //~^ ERROR can't compare `Bar` with `(Bar, i32)`
  15     Bar
  16 }
  17
  18 fn main() {}