| error[E0119]: conflicting implementations of trait `MyTrait` for type `String` |
| --> $DIR/ambiguity-cause.rs:10:1 |
| | |
| LL | impl<T: Copy> MyTrait for T { } |
| | --------------------------- first implementation here |
| LL | |
| LL | impl MyTrait for String { } |
| | ^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `String` |
| | |
| = note: upstream crates may add a new impl of trait `std::marker::Copy` for type `std::string::String` in future versions |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0119`. |
