| error[E0277]: the trait bound `T: Copy` is not satisfied |
| --> $DIR/wf-in-fn-type-arg.rs:9:11 |
| | |
| LL | x: fn(MustBeCopy<T>) |
| | ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T` |
| | |
| note: required by a bound in `MustBeCopy` |
| --> $DIR/wf-in-fn-type-arg.rs:3:21 |
| | |
| LL | struct MustBeCopy<T:Copy> { |
| | ^^^^ required by this bound in `MustBeCopy` |
| help: consider restricting type parameter `T` |
| | |
| LL | struct Bar<T: std::marker::Copy> { |
| | +++++++++++++++++++ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |