error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied | |
--> $DIR/wf-in-fn-type-arg.rs:9:5 | |
| | |
LL | struct MustBeCopy<T:Copy> { | |
| ------------------------- required by `MustBeCopy` | |
... | |
LL | x: fn(MustBeCopy<T>) | |
| ^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `T` | |
| | |
= help: consider adding a `where T: std::marker::Copy` bound | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0277`. |