82 lines
3 KiB
Text
82 lines
3 KiB
Text
error[E0277]: the trait bound `W<(dyn A<F> + 'static)>: A<G>` is not satisfied
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:12:5
|
|
|
|
|
LL | a as _
|
|
| ^ the trait `A<G>` is not implemented for `W<(dyn A<F> + 'static)>`
|
|
|
|
|
help: this trait has no implementations, consider adding one
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:6:1
|
|
|
|
|
LL | trait A<T> {}
|
|
| ^^^^^^^^^^
|
|
= note: required for the cast from `*const W<(dyn A<F> + 'static)>` to `*const dyn A<G>`
|
|
|
|
error[E0277]: the size for values of type `(dyn A<F> + 'static)` cannot be known at compilation time
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:12:5
|
|
|
|
|
LL | a as _
|
|
| ^ doesn't have a size known at compile-time
|
|
|
|
|
= help: within `W<(dyn A<F> + 'static)>`, the trait `Sized` is not implemented for `(dyn A<F> + 'static)`
|
|
note: required because it appears within the type `W<(dyn A<F> + 'static)>`
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:8:8
|
|
|
|
|
LL | struct W<T: ?Sized>(T);
|
|
| ^
|
|
= note: required for the cast from `*const W<(dyn A<F> + 'static)>` to `*const dyn A<G>`
|
|
|
|
error[E0277]: the trait bound `W<(dyn A<F> + 'static)>: A<G>` is not satisfied
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:18:5
|
|
|
|
|
LL | a as _
|
|
| ^ the trait `A<G>` is not implemented for `W<(dyn A<F> + 'static)>`
|
|
|
|
|
help: this trait has no implementations, consider adding one
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:6:1
|
|
|
|
|
LL | trait A<T> {}
|
|
| ^^^^^^^^^^
|
|
= note: required for the cast from `*const W<W<(dyn A<F> + 'static)>>` to `*const W<dyn A<G>>`
|
|
|
|
error[E0277]: the size for values of type `(dyn A<F> + 'static)` cannot be known at compilation time
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:18:5
|
|
|
|
|
LL | a as _
|
|
| ^ doesn't have a size known at compile-time
|
|
|
|
|
= help: within `W<(dyn A<F> + 'static)>`, the trait `Sized` is not implemented for `(dyn A<F> + 'static)`
|
|
note: required because it appears within the type `W<(dyn A<F> + 'static)>`
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:8:8
|
|
|
|
|
LL | struct W<T: ?Sized>(T);
|
|
| ^
|
|
= note: required for the cast from `*const W<W<(dyn A<F> + 'static)>>` to `*const W<dyn A<G>>`
|
|
|
|
error[E0606]: casting `*const W<(dyn A<F> + 'static)>` as `*const X<dyn A<G>>` is invalid
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:24:5
|
|
|
|
|
LL | a as _
|
|
| ^^^^^^
|
|
|
|
|
= note: the trait objects may have different vtables
|
|
|
|
error[E0606]: casting `*const W<W<(dyn A<F> + 'static)>>` as `*const W<X<dyn A<G>>>` is invalid
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:29:5
|
|
|
|
|
LL | a as _
|
|
| ^^^^^^
|
|
|
|
|
= note: the trait objects may have different vtables
|
|
|
|
error[E0606]: casting `*const (dyn A<F> + 'static)` as `*const W<dyn A<G>>` is invalid
|
|
--> $DIR/ptr-to-trait-obj-wrap-different-args.rs:34:5
|
|
|
|
|
LL | a as _
|
|
| ^^^^^^
|
|
|
|
|
= note: the trait objects may have different vtables
|
|
|
|
error: aborting due to 7 previous errors
|
|
|
|
Some errors have detailed explanations: E0277, E0606.
|
|
For more information about an error, try `rustc --explain E0277`.
|