| error[E0072]: recursive type `f::E` has infinite size | |
| --> $DIR/infinite-recursive-type-impl-trait.rs:2:5 | |
| | | |
| LL | enum E { | |
| | ^^^^^^ | |
| LL | V(E), | |
| | - recursive without indirection | |
| | | |
| help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle | |
| | | |
| LL | V(Box<E>), | |
| | ++++ + | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0072`. |