| error[E0277]: the trait bound `U: std::marker::Copy` is not satisfied |
| --> $DIR/wf-trait-bound.rs:10:14 |
| | |
| LL | trait ExtraCopy<T:Copy> { } |
| | ----------------------- required by `ExtraCopy` |
| ... |
| LL | where T: ExtraCopy<U> |
| | ^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `U` |
| | |
| help: consider restricting this type parameter with `where U: std::marker::Copy` |
| --> $DIR/wf-trait-bound.rs:9:19 |
| | |
| LL | trait SomeTrait<T,U> |
| | ^ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
