| error[E0117]: only traits defined in the current crate can be implemented for arbitrary types |
| --> $DIR/coherence_local_err_tuple.rs:14:1 |
| | |
| LL | impl lib::MyCopy for (MyType,) { } |
| | ^^^^^^^^^^^^^^^^^^^^^--------- |
| | | | |
| | | this is not defined in the current crate because tuples are always foreign |
| | impl doesn't use only types from inside the current crate |
| | |
| = note: define and implement a trait or new type instead |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0117`. |