rust/tests/ui/object-safety/object-safety-mentions-Self.object_safe_for_dispatch.stderr
2023-01-11 09:32:08 +00:00

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error[E0038]: the trait `Bar` cannot be made into an object
--> $DIR/object-safety-mentions-Self.rs:24:5
|
LL | t
| ^ `Bar` 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/object-safety-mentions-Self.rs:11:22
|
LL | trait Bar {
| --- this trait cannot be made into an object...
LL | fn bar(&self, x: &Self);
| ^^^^^ ...because method `bar` references the `Self` type in this parameter
= help: consider moving `bar` to another trait
= note: required for `&T` to implement `CoerceUnsized<&dyn Bar>`
= note: required by cast to type `&dyn Bar`
error[E0038]: the trait `Baz` cannot be made into an object
--> $DIR/object-safety-mentions-Self.rs:30:5
|
LL | t
| ^ `Baz` 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/object-safety-mentions-Self.rs:15:22
|
LL | trait Baz {
| --- this trait cannot be made into an object...
LL | fn baz(&self) -> Self;
| ^^^^ ...because method `baz` references the `Self` type in its return type
= help: consider moving `baz` to another trait
= note: required for `&T` to implement `CoerceUnsized<&dyn Baz>`
= note: required by cast to type `&dyn Baz`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0038`.