| error[E0277]: the trait bound `U: std::marker::Copy` is not satisfied |
| --> $DIR/wf-struct-bound.rs:9:1 |
| | |
| LL | trait ExtraCopy<T:Copy> { } |
| | ----------------------- required by `ExtraCopy` |
| LL | |
| LL | / struct SomeStruct<T,U> |
| LL | | where T: ExtraCopy<U> |
| | | - help: consider further restricting type parameter `U`: `, U: std::marker::Copy` |
| LL | | { |
| LL | | data: (T,U) |
| LL | | } |
| | |_^ the trait `std::marker::Copy` is not implemented for `U` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
