| error[E0072]: recursive type `U` has infinite size | |
| --> $DIR/union-nonrepresentable.rs:3:1 | |
| | | |
| LL | union U { | |
| | ^^^^^^^ recursive type has infinite size | |
| LL | a: u8, | |
| LL | b: U, | |
| | ---- recursive without indirection | |
| | | |
| = help: insert indirection (e.g., a `Box`, `Rc`, or `&`) at some point to make `U` representable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0072`. |