error: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` --> $DIR/single_match_else.rs:21:5 | 21 | / match ExprNode::Butterflies { 22 | | ExprNode::ExprAddrOf => Some(&NODE), 23 | | _ => { 24 | | let x = 5; 25 | | None 26 | | }, 27 | | } | |_____^ | = note: `-D clippy::single-match-else` implied by `-D warnings` help: try this | 21 | if let ExprNode::ExprAddrOf = ExprNode::Butterflies { Some(&NODE) } else { 22 | let x = 5; 23 | None 24 | } | error: aborting due to previous error