error[E0308]: match arms have incompatible types --> $DIR/issue-11319.rs:8:20 | LL | / match Some(10) { LL | | LL | | Some(5) => false, | | ----- this is found to be of type `bool` LL | | LL | | Some(2) => true, | | ---- this is found to be of type `bool` LL | | LL | | None => (), | | ^^ expected bool, found () ... | LL | | _ => true LL | | } | |_____- `match` arms have incompatible types error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.