rust/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.stderr
2024-01-22 14:24:31 +00:00

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error[E0308]: mismatched types
--> $DIR/alias-where-clause-isnt-supertrait.rs:27:5
|
LL | fn test(x: &dyn C) -> &dyn B {
| ------ expected `&dyn B` because of return type
LL | x
| ^ expected trait `B`, found trait `C`
|
= note: expected reference `&dyn B`
found reference `&dyn C`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0308`.