rust/tests/ui/impl-trait/unsized_coercion2.old.stderr
2024-06-19 08:28:31 +00:00

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error[E0277]: the size for values of type `impl Trait + ?Sized` cannot be known at compilation time
--> $DIR/unsized_coercion2.rs:15:33
|
LL | let y: Box<dyn Trait> = x;
| ^ doesn't have a size known at compile-time
|
= help: the trait `Sized` is not implemented for `impl Trait + ?Sized`
= note: required for the cast from `Box<impl Trait + ?Sized>` to `Box<dyn Trait>`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.