| // Test that `impl Alpha<dyn Object>` resets the object-lifetime | |
| // default to `'static`. | |
| // | |
| //@ check-pass | |
| trait Alpha<Item: ?Sized> { | |
| fn item(&self) -> Box<Item> { | |
| panic!() | |
| } | |
| } | |
| trait Object {} | |
| impl<T> Alpha<dyn Object> for T {} | |
| fn alpha(x: &str, y: &str) -> impl Alpha<dyn Object> { () } | |
| fn is_static<T>(_: T) where T: 'static { } | |
| fn bar(x: &str) -> &impl Alpha<dyn Object> { &() } | |
| fn main() { | |
| let s = format!("foo"); | |
| let r = bar(&s); | |
| is_static(r.item()); | |
| } |