error[E0004]: non-exhaustive patterns: `Terminator::HastaLaVistaBaby` not covered --> $DIR/E0004.rs:9:11 | LL | match x { | ^ pattern `Terminator::HastaLaVistaBaby` not covered | note: `Terminator` defined here --> $DIR/E0004.rs:1:6 | LL | enum Terminator { | ^^^^^^^^^^ LL | HastaLaVistaBaby, | ---------------- not covered = note: the matched value is of type `Terminator` help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ Terminator::TalkToMyHand => {}, LL + Terminator::HastaLaVistaBaby => todo!() | error: aborting due to previous error For more information about this error, try `rustc --explain E0004`.