| error[E0271]: type mismatch resolving `<dyn Trait<B = B, A = A> as SuperTrait>::A == B` |
| --> $DIR/enforce-supertrait-projection.rs:9:5 |
| LL | fn transmute<A, B>(x: A) -> B { |
| | - - expected type parameter |
| LL | foo::<A, B, dyn Trait<A = A, B = B>>(x) |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `B`, found type parameter `A` |
| = note: expected 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: required by a bound in `foo` |
| --> $DIR/enforce-supertrait-projection.rs:15:8 |
| LL | fn foo<A, B, T: ?Sized>(x: T::A) -> B |
| | --- required by a bound in this |
| | ^^^^^^^^^^^^ required by this bound in `foo` |
| error: aborting due to previous error |
| For more information about this error, try `rustc --explain E0271`. |
