| error[E0271]: type mismatch resolving `<dyn Trait<A = A, B = B> as SuperTrait>::A == B` |
| --> $DIR/more-object-bound.rs:12:5 |
| | |
| LL | fn transmute<A, B>(x: A) -> B { |
| | - - |
| | | | |
| | | expected type parameter |
| | | found type parameter |
| | found type parameter |
| | expected type parameter |
| LL | foo::<A, B, dyn Trait<A = A, B = B>>(x) |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `A`, found type parameter `B` |
| | |
| = note: expected type parameter `A` |
| found type parameter `B` |
| = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound |
| = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters |
| = note: a type parameter was expected, but a different one was found; you might be missing a type parameter or trait bound |
| = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters |
| = note: required because it appears within the type `dyn Trait<A = A, B = B>` |
| note: required by a bound in `foo` |
| --> $DIR/more-object-bound.rs:18:8 |
| | |
| LL | fn foo<A, B, T: ?Sized>(x: T::A) -> B |
| | --- required by a bound in this function |
| LL | where |
| LL | T: Trait<B = B>, |
| | ^^^^^^^^^^^^ required by this bound in `foo` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0271`. |