From 4b0a8bfe8b15945003058250c79214e954559547 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Thu, 30 Jun 2022 02:01:56 -0600
Subject: tidy

---
 pkg/rbtree/rbtree.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/rbtree/rbtree.go b/pkg/rbtree/rbtree.go
index 5cc9ac6..13d9602 100644
--- a/pkg/rbtree/rbtree.go
+++ b/pkg/rbtree/rbtree.go
@@ -330,7 +330,8 @@ func (t *Tree[K, V]) Delete(key K) {
 		return
 	}
 
-	var nodeToRebalance, nodeToRebalanceParent *Node[V]
+	var nodeToRebalance *Node[V]
+	var nodeToRebalanceParent *Node[V] // in case 'nodeToRebalance' is nil, which it can be
 	needsRebalance := nodeToDelete.Color == Black
 
 	switch {
@@ -410,7 +411,7 @@ func (t *Tree[K, V]) Delete(key K) {
 
 	if needsRebalance {
 		node := nodeToRebalance
-		nodeParent := nodeToRebalanceParent // in case 'node' is nil, which it can be
+		nodeParent := nodeToRebalanceParent
 		for node != t.root && node.getColor() == Black {
 			if node == nodeParent.Left {
 				sibling := nodeParent.Right
-- 
cgit v1.2.3-2-g168b