rust/tests/ui/const-generics/generic_const_exprs/dyn-compatibility-err-where-bounds.stderr
2024-10-10 01:13:29 +02:00

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error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/dyn-compatibility-err-where-bounds.rs:15:16
|
LL | fn use_dyn(v: &dyn Foo) {
| ^^^^^^^ `Foo` cannot be made into an object
|
note: for a trait to be "dyn-compatible" 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>
--> $DIR/dyn-compatibility-err-where-bounds.rs:8:8
|
LL | trait Foo {
| --- this trait cannot be made into an object...
LL | fn test(&self) where [u8; bar::<Self>()]: Sized;
| ^^^^ ...because method `test` references the `Self` type in its `where` clause
= help: consider moving `test` to another trait
= help: only type `()` implements the trait, consider using it directly instead
error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/dyn-compatibility-err-where-bounds.rs:17:5
|
LL | v.test();
| ^^^^^^^^ `Foo` cannot be made into an object
|
note: for a trait to be "dyn-compatible" 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>
--> $DIR/dyn-compatibility-err-where-bounds.rs:8:8
|
LL | trait Foo {
| --- this trait cannot be made into an object...
LL | fn test(&self) where [u8; bar::<Self>()]: Sized;
| ^^^^ ...because method `test` references the `Self` type in its `where` clause
= help: consider moving `test` to another trait
= help: only type `()` implements the trait, consider using it directly instead
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0038`.