| error[E0038]: the trait `Trait` cannot be made into an object |
| --> $DIR/E0038.rs:5:20 |
| | |
| LL | fn call_foo(x: Box<dyn Trait>) { |
| | ^^^^^^^^^ `Trait` 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/E0038.rs:2:22 |
| | |
| LL | trait Trait { |
| | ----- this trait cannot be made into an object... |
| LL | fn foo(&self) -> Self; |
| | ^^^^ ...because method `foo` references the `Self` type in its return type |
| = help: consider moving `foo` to another trait |
| |
| error[E0038]: the trait `Trait` cannot be made into an object |
| --> $DIR/E0038.rs:7:13 |
| | |
| LL | let y = x.foo(); |
| | ^^^^^^^ `Trait` 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/E0038.rs:2:22 |
| | |
| LL | trait Trait { |
| | ----- this trait cannot be made into an object... |
| LL | fn foo(&self) -> Self; |
| | ^^^^ ...because method `foo` references the `Self` type in its return type |
| = help: consider moving `foo` to another trait |
| |
| error[E0277]: the size for values of type `dyn Trait` cannot be known at compilation time |
| --> $DIR/E0038.rs:7:9 |
| | |
| LL | let y = x.foo(); |
| | ^ doesn't have a size known at compile-time |
| | |
| = help: the trait `Sized` is not implemented for `dyn Trait` |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error: aborting due to 3 previous errors |
| |
| Some errors have detailed explanations: E0038, E0277. |
| For more information about an error, try `rustc --explain E0038`. |
