mirror of https://github.com/rust-lang/rust
71 lines
3.5 KiB
Plaintext
71 lines
3.5 KiB
Plaintext
error[E0277]: the trait bound `&dyn MyTrait: MyTrait` is not satisfied
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:20:22
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LL | MyTrait::foo(&self)
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| ------------ ^^^^^ the trait `MyTrait` is not implemented for `&dyn MyTrait`
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| |
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| required by a bound introduced by this call
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= help: the trait `MyTrait` is implemented for `Outer`
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error[E0038]: the trait `MyTrait` cannot be made into an object
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:20:9
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LL | MyTrait::foo(&self)
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| ^^^^^^^^^^^^ `MyTrait` cannot be made into an object
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note: for a trait to be "object safe" 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>
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:5:22
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LL | trait MyTrait {
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| ------- this trait cannot be made into an object...
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LL | fn foo(&self) -> impl Marker;
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| ^^^^^^^^^^^ ...because method `foo` references an `impl Trait` type in its return type
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= help: consider moving `foo` to another trait
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= help: only type `Outer` implements the trait, consider using it directly instead
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error[E0277]: the trait bound `&dyn MyTrait: MyTrait` is not satisfied
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:20:9
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LL | MyTrait::foo(&self)
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| ^^^^^^^^^^^^^^^^^^^ the trait `MyTrait` is not implemented for `&dyn MyTrait`
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= help: the trait `MyTrait` is implemented for `Outer`
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error[E0038]: the trait `MyTrait` cannot be made into an object
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:16:6
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LL | impl dyn MyTrait {
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| ^^^^^^^^^^^ `MyTrait` cannot be made into an object
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note: for a trait to be "object safe" 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>
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:5:22
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LL | trait MyTrait {
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| ------- this trait cannot be made into an object...
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LL | fn foo(&self) -> impl Marker;
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| ^^^^^^^^^^^ ...because method `foo` references an `impl Trait` type in its return type
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= help: consider moving `foo` to another trait
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= help: only type `Outer` implements the trait, consider using it directly instead
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error[E0038]: the trait `MyTrait` cannot be made into an object
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:18:15
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LL | fn other(&self) -> impl Marker {
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| ^^^^ `MyTrait` cannot be made into an object
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note: for a trait to be "object safe" 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>
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--> $DIR/cycle-effective-visibilities-during-object-safety.rs:5:22
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LL | trait MyTrait {
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| ------- this trait cannot be made into an object...
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LL | fn foo(&self) -> impl Marker;
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| ^^^^^^^^^^^ ...because method `foo` references an `impl Trait` type in its return type
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= help: consider moving `foo` to another trait
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= help: only type `Outer` implements the trait, consider using it directly instead
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error: aborting due to 5 previous errors
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Some errors have detailed explanations: E0038, E0277.
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For more information about an error, try `rustc --explain E0038`.
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