From 43f1a4cb64ff7103b46bf758f1e5479c2d457988 Mon Sep 17 00:00:00 2001
From: Andrey Khmuro <andrey@polygon.technology>
Date: Sat, 3 Jun 2023 15:47:27 +0300
Subject: [PATCH] refactor: MerkleStore clippy fix

---
 src/merkle/store/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/merkle/store/mod.rs b/src/merkle/store/mod.rs
index d4c1ffb..8198435 100644
--- a/src/merkle/store/mod.rs
+++ b/src/merkle/store/mod.rs
@@ -404,7 +404,7 @@ impl MerkleStore {
         if let Some(node) = source.nodes.get(&root) {
             // if the node has already been inserted, no need to process it further as all of its
             // descendants should be already cloned from the source store
-            if matches!(self.nodes.insert(root, *node), None) {
+            if self.nodes.insert(root, *node).is_none() {
                 self.clone_tree_from(node.left, source);
                 self.clone_tree_from(node.right, source);
             }