77 lines
3.0 KiB
Plaintext
77 lines
3.0 KiB
Plaintext
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error[E0038]: the trait `Foo` is not dyn compatible
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--> $DIR/no-static.rs:8:22
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LL | fn diverges() -> Box<dyn Foo> {
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| ^^^^^^^ `Foo` is not dyn compatible
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note: for a trait to be dyn compatible it needs to allow building a vtable
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for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
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--> $DIR/no-static.rs:5:8
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LL | trait Foo {
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| --- this trait is not dyn compatible...
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LL | fn foo() {}
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| ^^^ ...because associated function `foo` has no `self` parameter
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= help: only type `Bar` implements `Foo`; consider using it directly instead.
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help: consider turning `foo` into a method by giving it a `&self` argument
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LL | fn foo(&self) {}
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| +++++
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help: alternatively, consider constraining `foo` so it does not apply to trait objects
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LL | fn foo() where Self: Sized {}
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| +++++++++++++++++
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error[E0038]: the trait `Foo` is not dyn compatible
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--> $DIR/no-static.rs:18:12
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LL | let b: Box<dyn Foo> = Box::new(Bar);
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| ^^^^^^^^^^^^ `Foo` is not dyn compatible
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note: for a trait to be dyn compatible it needs to allow building a vtable
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for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
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--> $DIR/no-static.rs:5:8
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LL | trait Foo {
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| --- this trait is not dyn compatible...
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LL | fn foo() {}
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| ^^^ ...because associated function `foo` has no `self` parameter
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= help: only type `Bar` implements `Foo`; consider using it directly instead.
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help: consider turning `foo` into a method by giving it a `&self` argument
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LL | fn foo(&self) {}
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| +++++
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help: alternatively, consider constraining `foo` so it does not apply to trait objects
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LL | fn foo() where Self: Sized {}
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| +++++++++++++++++
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error[E0038]: the trait `Foo` is not dyn compatible
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--> $DIR/no-static.rs:18:27
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LL | let b: Box<dyn Foo> = Box::new(Bar);
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| ^^^^^^^^^^^^^ `Foo` is not dyn compatible
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note: for a trait to be dyn compatible it needs to allow building a vtable
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for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
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--> $DIR/no-static.rs:5:8
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LL | trait Foo {
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| --- this trait is not dyn compatible...
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LL | fn foo() {}
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| ^^^ ...because associated function `foo` has no `self` parameter
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= help: only type `Bar` implements `Foo`; consider using it directly instead.
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= note: required for the cast from `Box<Bar>` to `Box<dyn Foo>`
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help: consider turning `foo` into a method by giving it a `&self` argument
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LL | fn foo(&self) {}
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| +++++
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help: alternatively, consider constraining `foo` so it does not apply to trait objects
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LL | fn foo() where Self: Sized {}
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| +++++++++++++++++
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0038`.
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