| //@ check-pass | |
| trait Mirror { | |
| type Assoc; | |
| } | |
| impl<T> Mirror for T { | |
| type Assoc = T; | |
| } | |
| trait Foo {} | |
| trait Bar {} | |
| // self type starts out as `?0` but is constrained to `()` | |
| // due to the where clause below. Because `(): Bar` does not | |
| // hold in intercrate mode, we can prove the impls disjoint. | |
| impl<T> Foo for T where (): Mirror<Assoc = T> {} | |
| impl<T> Foo for T where T: Bar {} | |
| fn main() {} |