error[E0377]: the trait `CoerceUnsized` may only be implemented for a coercion between structures | |
--> $DIR/E0377.rs:12:1 | |
| | |
LL | impl<T, U> CoerceUnsized<Bar<U>> for Foo<T> where T: CoerceUnsized<U> {} | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| | |
= note: expected coercion between the same definition; expected `Foo`, found `Bar` | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0377`. |