| error[E0072]: recursive type `List` has infinite size | |
| --> $DIR/recursive-enum.rs:1:1 | |
| | | |
| LL | enum List<T> { Cons(T, List<T>), Nil } | |
| | ^^^^^^^^^^^^ ------- recursive without indirection | |
| | | |
| help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle | |
| | | |
| LL | enum List<T> { Cons(T, Box<List<T>>), Nil } | |
| | ++++ + | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0072`. |