mirror of https://github.com/rust-lang/rust
45 lines
1.8 KiB
Plaintext
45 lines
1.8 KiB
Plaintext
error[E0277]: the trait bound `Bar<'a, T>: Foo` is not satisfied
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--> $DIR/hir-wf-canonicalized.rs:10:15
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LL | callback: Box<dyn Callback<dyn Callback<Bar<'a, T>>>>,
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `Bar<'a, T>`
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help: this trait has no implementations, consider adding one
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--> $DIR/hir-wf-canonicalized.rs:3:1
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LL | trait Foo {
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| ^^^^^^^^^
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error[E0277]: the trait bound `(dyn Callback<Bar<'a, T>, Output = ()> + 'static): Foo` is not satisfied
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--> $DIR/hir-wf-canonicalized.rs:10:15
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LL | callback: Box<dyn Callback<dyn Callback<Bar<'a, T>>>>,
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `(dyn Callback<Bar<'a, T>, Output = ()> + 'static)`
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help: this trait has no implementations, consider adding one
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--> $DIR/hir-wf-canonicalized.rs:3:1
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LL | trait Foo {
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| ^^^^^^^^^
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error[E0277]: the size for values of type `(dyn Callback<Bar<'a, T>, Output = ()> + 'static)` cannot be known at compilation time
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--> $DIR/hir-wf-canonicalized.rs:10:15
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LL | callback: Box<dyn Callback<dyn Callback<Bar<'a, T>>>>,
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `(dyn Callback<Bar<'a, T>, Output = ()> + 'static)`
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note: required by an implicit `Sized` bound in `Bar`
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--> $DIR/hir-wf-canonicalized.rs:9:16
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LL | struct Bar<'a, T> {
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| ^ required by the implicit `Sized` requirement on this type parameter in `Bar`
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help: consider relaxing the implicit `Sized` restriction
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LL | struct Bar<'a, T: ?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 E0277`.
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