summaryrefslogtreecommitdiff
path: root/pkg/rbtree
diff options
context:
space:
mode:
authorLuke Shumaker <lukeshu@lukeshu.com>2022-06-30 02:01:56 -0600
committerLuke Shumaker <lukeshu@lukeshu.com>2022-06-30 02:01:56 -0600
commit4b0a8bfe8b15945003058250c79214e954559547 (patch)
tree78e37d446126e607cce74dffb5ad156feef446df /pkg/rbtree
parentbc2645b50c1f19514861b485e08f62ccb1602590 (diff)
tidy
Diffstat (limited to 'pkg/rbtree')
-rw-r--r--pkg/rbtree/rbtree.go5
1 files 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