44 lines
1.8 KiB
Plaintext
44 lines
1.8 KiB
Plaintext
error[E0311]: the parameter type `Self` may not live long enough
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= help: consider adding an explicit lifetime bound `Self: 'a`...
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= note: ...so that the type `Self` will meet its required lifetime bounds...
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note: ...that is required by this bound
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--> $DIR/object-safety-supertrait-mentions-GAT.rs:6:15
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LL | Self: 'a;
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| ^^
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error: associated item referring to unboxed trait object for its own trait
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--> $DIR/object-safety-supertrait-mentions-GAT.rs:10:20
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LL | trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> {
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| ---------- in this trait
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LL | fn c(&self) -> dyn SuperTrait<T>;
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| ^^^^^^^^^^^^^^^^^
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help: you might have meant to use `Self` to refer to the implementing type
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LL | fn c(&self) -> Self;
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| ~~~~
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error[E0038]: the trait `SuperTrait` cannot be made into an object
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--> $DIR/object-safety-supertrait-mentions-GAT.rs:10:20
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LL | fn c(&self) -> dyn SuperTrait<T>;
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| ^^^^^^^^^^^^^^^^^ `SuperTrait` 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/object-safety-supertrait-mentions-GAT.rs:4:10
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LL | type Gat<'a>
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| ^^^ ...because it contains the generic associated type `Gat`
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...
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LL | trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> {
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| ---------- this trait cannot be made into an object...
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= help: consider moving `Gat` to another trait
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0038, E0311.
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For more information about an error, try `rustc --explain E0038`.
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