| mod private { | |
| pub trait Future { | |
| fn wait(&self) where Self: Sized; | |
| } | |
| impl Future for Box<dyn Future> { | |
| fn wait(&self) { } | |
| } | |
| } | |
| //use private::Future; | |
| fn bar(arg: Box<dyn private::Future>) { | |
| arg.wait(); | |
| //~^ ERROR the `wait` method cannot be invoked on a trait object | |
| } | |
| fn main() { | |
| } |