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error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/foreign-dyn-error.rs:6:12
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LL | let _: &dyn rpitit::Foo = todo!();
| ^^^^^^^^^^^^^^^^ `Foo` cannot be made into an object
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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/auxiliary/rpitit.rs:6:21
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LL | fn bar(self) -> impl Deref<Target = impl Sized>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait cannot be made into an object because method `bar` references an `impl Trait` type in its return type
= help: only type `rpitit::Foreign` implements the trait, consider using it directly instead
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0038`.
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