| error[E0277]: the trait bound `Box<{integer}>: Foo` is not satisfied |
| --> $DIR/kindck-inherited-copy-bound.rs:21:16 |
| | |
| LL | fn take_param<T:Foo>(foo: &T) { } |
| | --- required by this bound in `take_param` |
| ... |
| LL | take_param(&x); |
| | ^^ the trait `Copy` is not implemented for `Box<{integer}>` |
| | |
| = note: required because of the requirements on the impl of `Foo` for `Box<{integer}>` |
| |
| error[E0038]: the trait `Foo` cannot be made into an object |
| --> $DIR/kindck-inherited-copy-bound.rs:28:13 |
| | |
| LL | let z = &x as &dyn Foo; |
| | ^^ `Foo` cannot be made into an object |
| | |
| note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> |
| --> $DIR/kindck-inherited-copy-bound.rs:10:13 |
| | |
| LL | trait Foo : Copy { |
| | --- ^^^^ ...because it requires `Self: Sized` |
| | | |
| | this trait cannot be made into an object... |
| = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Foo>` for `&Box<i32>` |
| = note: required by cast to type `&dyn Foo` |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0038, E0277. |
| For more information about an error, try `rustc --explain E0038`. |