error[E0072]: recursive type `ListNode` has infinite size | |
--> $DIR/multiline-span-E0072.rs:2:1 | |
| | |
LL | / struct | |
LL | | ListNode | |
LL | | { | |
LL | | head: u8, | |
LL | | tail: Option<ListNode>, | |
| | ---------------------- recursive without indirection | |
LL | | } | |
| |_^ recursive type has infinite size | |
| | |
= help: insert indirection (e.g., a `Box`, `Rc`, or `&`) at some point to make `ListNode` representable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0072`. |