1error[E0119]: conflicting implementations of trait `MyTrait` for type `(_, _)` 2 --> $DIR/coherence-tuple-conflict.rs:15:1 3 | 4LL | impl<T> MyTrait for (T,T) { 5 | ------------------------- first implementation here 6... 7LL | impl<A,B> MyTrait for (A,B) { 8 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(_, _)` 9 10error: aborting due to previous error 11 12For more information about this error, try `rustc --explain E0119`. 13