rust/tests/ui/traits/issue-20692.stderr
2023-01-11 09:32:08 +00:00

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error[E0038]: the trait `Array` cannot be made into an object
--> $DIR/issue-20692.rs:7:5
|
LL | &dyn Array;
| ^^^^^^^^^^ `Array` 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/issue-20692.rs:1:14
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LL | trait Array: Sized + Copy {}
| ----- ^^^^^ ^^^^ ...because it requires `Self: Sized`
| | |
| | ...because it requires `Self: Sized`
| this trait cannot be made into an object...
error[E0038]: the trait `Array` cannot be made into an object
--> $DIR/issue-20692.rs:4:13
|
LL | let _ = x
| ^ `Array` 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/issue-20692.rs:1:14
|
LL | trait Array: Sized + Copy {}
| ----- ^^^^^ ^^^^ ...because it requires `Self: Sized`
| | |
| | ...because it requires `Self: Sized`
| this trait cannot be made into an object...
= note: required for `&T` to implement `CoerceUnsized<&dyn Array>`
= note: required by cast to type `&dyn Array`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0038`.