1 error[E0072]: recursive type `MList` has infinite size
2 --> $DIR/infinite-tag-type-recursion.rs:1:1
4 LL | enum MList { Cons(isize, MList), Nil }
5 | ^^^^^^^^^^ ----- recursive without indirection
7 | recursive type has infinite size
9 help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `MList` representable
11 LL | enum MList { Cons(isize, Box<MList>), Nil }
14 error: aborting due to previous error
16 For more information about this error, try `rustc --explain E0072`.