rust/tests/ui/recursion/recursive-enum.stderr

15 lines
491 B
Plaintext

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`.