| error[E0038]: the trait `Foo` is not dyn compatible |
| --> $DIR/dispatch-dyn-incompatible-that-does-not-deref.rs:12:13 |
| | |
| LL | fn method(self: &W) {} |
| | -- help: consider changing method `method`'s `self` parameter to be `&self`: `&Self` |
| ... |
| LL | fn test(x: &dyn Foo) { |
| | ^^^^^^^ `Foo` is not dyn compatible |
| | |
| note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| --> $DIR/dispatch-dyn-incompatible-that-does-not-deref.rs:8:21 |
| | |
| LL | trait Foo: Deref<Target = W> { |
| | --- this trait is not dyn compatible... |
| LL | fn method(self: &W) {} |
| | ^^ ...because method `method`'s `self` parameter cannot be dispatched on |
| |
| error[E0307]: invalid `self` parameter type: `&W` |
| --> $DIR/dispatch-dyn-incompatible-that-does-not-deref.rs:8:21 |
| | |
| LL | fn method(self: &W) {} |
| | ^^ |
| | |
| = note: type of `self` must be `Self` or a type that dereferences to it |
| = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`) |
| |
| error[E0038]: the trait `Foo` is not dyn compatible |
| --> $DIR/dispatch-dyn-incompatible-that-does-not-deref.rs:14:5 |
| | |
| LL | fn method(self: &W) {} |
| | -- help: consider changing method `method`'s `self` parameter to be `&self`: `&Self` |
| ... |
| LL | x.method(); |
| | ^^^^^^^^^^ `Foo` is not dyn compatible |
| | |
| note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| --> $DIR/dispatch-dyn-incompatible-that-does-not-deref.rs:8:21 |
| | |
| LL | trait Foo: Deref<Target = W> { |
| | --- this trait is not dyn compatible... |
| LL | fn method(self: &W) {} |
| | ^^ ...because method `method`'s `self` parameter cannot be dispatched on |
| |
| error: aborting due to 3 previous errors |
| |
| Some errors have detailed explanations: E0038, E0307. |
| For more information about an error, try `rustc --explain E0038`. |