| 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 | |
| | | | |
| | recursive type has infinite size | |
| | | |
| help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `List` representable | |
| | | |
| LL | enum List<T> { Cons(T, Box<List<T>>), Nil } | |
| | ^^^^ ^ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0072`. |