| error[E0210]: type parameter `T` must be used as an argument to some local type (e.g., `MyStruct<T>`) |
| --> $DIR/issue-43037.rs:19:6 |
| | |
| LL | impl<T> From<<A<T> as Z>::Assoc> for T {} |
| | ^ uncovered type parameter |
| | |
| = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local |
| = note: only traits defined in the current crate can be implemented for a type parameter |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0210`. |
