| error[E0375]: implementing the trait `CoerceUnsized` requires multiple coercions |
| --> $DIR/E0375.rs:10:12 |
| | |
| LL | impl<T, U> CoerceUnsized<Foo<U, T>> for Foo<T, U> {} |
| | ^^^^^^^^^^^^^^^^^^^^^^^^ requires multiple coercions |
| | |
| = note: `CoerceUnsized` may only be implemented for a coercion between structures with one field being coerced |
| = note: currently, 2 fields need coercions: `b` (`T` to `U`), `c` (`U` to `T`) |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0375`. |
