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 | |         _ => { let x = 5; None },
24 | |     }
   | |_____^ help: try this: `if let ExprNode::ExprAddrOf = ExprNode::Butterflies { Some(&NODE) } else { let x = 5; None }`
   |
   = note: `-D clippy::single-match-else` implied by `-D warnings`

error: aborting due to previous error