| error[E0072]: recursive type `ListNode` has infinite size | |
| --> $DIR/multiline-span-E0072.rs:2:1 | |
| | | |
| LL | / struct | |
| LL | | ListNode | |
| | |________^ | |
| ... | |
| LL | tail: Option<ListNode>, | |
| | -------- recursive without indirection | |
| | | |
| help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle | |
| | | |
| LL | tail: Option<Box<ListNode>>, | |
| | ++++ + | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0072`. |