Pre-allocate memory to reduce the number of allocations (#272)

2026-02-10 07:42:27 +08:00 · 2024-11-27 14:58:02 +08:00
parent 1eb793420e
commit 05b85a2131
12 changed files with 15 additions and 12 deletions
--- a/datastructure/tree/tree_internal.go
+++ b/datastructure/tree/tree_internal.go
@@ -147,7 +147,7 @@ func printTreeNodes[T any](nodes []*datastructure.TreeNode[T], level, maxLevel i

 	printSpaces(firstSpaces)

-	newNodes := []*datastructure.TreeNode[T]{}
+	newNodes := make([]*datastructure.TreeNode[T], 0, len(nodes)*2)
 	for _, node := range nodes {
 		if node != nil {
 			fmt.Printf("%v", node.Value)