rust/tests/ui/object-safety/object-safety-supertrait-mentions-Self.stderr
2023-01-11 09:32:08 +00:00

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error[E0038]: the trait `Baz` cannot be made into an object
--> $DIR/object-safety-supertrait-mentions-Self.rs:15:31
|
LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
| ^^^^^^^ `Baz` cannot be made into an object
|
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>
--> $DIR/object-safety-supertrait-mentions-Self.rs:8:13
|
LL | trait Baz : Bar<Self> {
| --- ^^^^^^^^^ ...because it uses `Self` as a type parameter
| |
| this trait cannot be made into an object...
error: aborting due to previous error
For more information about this error, try `rustc --explain E0038`.