| error[E0277]: the size for values of type `Self` cannot be known at compilation time |
| --> $DIR/supertrait-mentions-Self.rs:8:13 |
| | |
| LL | trait Baz : Bar<Self> { |
| | ^^^^^^^^^ doesn't have a size known at compile-time |
| | |
| note: required by an implicit `Sized` bound in `Bar` |
| --> $DIR/supertrait-mentions-Self.rs:4:11 |
| | |
| LL | trait Bar<T> { |
| | ^ required by the implicit `Sized` requirement on this type parameter in `Bar` |
| help: consider further restricting `Self` |
| | |
| LL | trait Baz : Bar<Self> + Sized { |
| | +++++++ |
| help: consider relaxing the implicit `Sized` restriction |
| | |
| LL | trait Bar<T: ?Sized> { |
| | ++++++++ |
| |
| error[E0038]: the trait `Baz` cannot be made into an object |
| --> $DIR/supertrait-mentions-Self.rs:16:31 |
| | |
| LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz { |
| | ^^^^^^^ `Baz` cannot be made into an object |
| | |
| note: for a trait to be "dyn-compatible" 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/supertrait-mentions-Self.rs:8:13 |
| | |
| LL | trait Baz : Bar<Self> { |
| | --- ^^^^^^^^^ ...because it uses `Self` as a type parameter |
| | | |
| | this trait cannot be made into an object... |
| help: consider using an opaque type instead |
| | |
| LL | fn make_baz<T:Baz>(t: &T) -> &impl Baz { |
| | ~~~~ |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0038, E0277. |
| For more information about an error, try `rustc --explain E0038`. |
