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error[E0038]: the trait `Foo` is not dyn compatible
--> $DIR/no-static.rs:12:22
|
LL | fn diverges() -> Box<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/no-static.rs:9:8
|
LL | trait Foo {
| --- this trait is not dyn compatible...
LL | fn foo() {}
| ^^^ ...because associated function `foo` has no `self` parameter
= help: only type `Bar` implements `Foo`; consider using it directly instead.
help: consider turning `foo` into a method by giving it a `&self` argument
|
LL | fn foo(&self) {}
| +++++
help: alternatively, consider constraining `foo` so it does not apply to trait objects
|
LL | fn foo() where Self: Sized {}
| +++++++++++++++++
error[E0038]: the trait `Foo` is not dyn compatible
--> $DIR/no-static.rs:22:12
|
LL | let b: Box<dyn Foo> = Box::new(Bar);
| ^^^^^^^^^^^^ `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/no-static.rs:9:8
|
LL | trait Foo {
| --- this trait is not dyn compatible...
LL | fn foo() {}
| ^^^ ...because associated function `foo` has no `self` parameter
= help: only type `Bar` implements `Foo`; consider using it directly instead.
help: consider turning `foo` into a method by giving it a `&self` argument
|
LL | fn foo(&self) {}
| +++++
help: alternatively, consider constraining `foo` so it does not apply to trait objects
|
LL | fn foo() where Self: Sized {}
| +++++++++++++++++
error[E0038]: the trait `Foo` is not dyn compatible
--> $DIR/no-static.rs:22:27
|
LL | let b: Box<dyn Foo> = Box::new(Bar);
| ^^^^^^^^^^^^^ `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/no-static.rs:9:8
|
LL | trait Foo {
| --- this trait is not dyn compatible...
LL | fn foo() {}
| ^^^ ...because associated function `foo` has no `self` parameter
= help: only type `Bar` implements `Foo`; consider using it directly instead.
= note: required for the cast from `Box<Bar>` to `Box<dyn Foo>`
help: consider turning `foo` into a method by giving it a `&self` argument
|
LL | fn foo(&self) {}
| +++++
help: alternatively, consider constraining `foo` so it does not apply to trait objects
|
LL | fn foo() where Self: Sized {}
| +++++++++++++++++
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0038`.
|
