| error[E0119]: conflicting implementations of trait `MyTrait<_>` for type `(Box<(MyType,)>, _)` |
| --> $DIR/normalize-for-errors.rs:17:1 |
| | |
| LL | impl<T: Copy, S: Iterator> MyTrait<S> for (T, S::Item) {} |
| | ------------------------------------------------------ first implementation here |
| LL | |
| LL | impl<S: Iterator> MyTrait<S> for (Box<<(MyType,) as Mirror>::Assoc>, S::Item) {} |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(Box<(MyType,)>, _)` |
| | |
| = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::boxed::Box<(MyType,)>` in future versions |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0119`. |
