error[E0308]: mismatched types --> $DIR/issue-7092.rs:6:9 | LL | match x { | - this expression has type `Whatever` LL | Some(field) => | ^^^^^^^^^^^ expected enum `Whatever`, found enum `Option` | = note: expected enum `Whatever` found enum `Option<_>` error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.