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error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
--> $DIR/coherence_local_err_tuple.rs:14:1
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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 previous error
For more information about this error, try `rustc --explain E0117`.
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