| error[E0005]: refutable pattern in local binding: `T(_, _)` not covered | |
| --> $DIR/empty-never-array.rs:10:9 | |
| | | |
| LL | / enum Helper<T, U> { | |
| LL | | T(T, [!; 0]), | |
| LL | | #[allow(dead_code)] | |
| LL | | U(U), | |
| LL | | } | |
| | |_- `Helper<T, U>` defined here | |
| ... | |
| LL | let Helper::U(u) = Helper::T(t, []); | |
| | ^^^^^^^^^^^^ pattern `T(_, _)` not covered | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0005`. |