Fix function call error and null safety (#491)

2026-08-11 11:20:58 +00:00 · 2023-05-14 01:19:06 +08:00
parent b52a98f178
commit 541f384e7c
2 changed files with 2 additions and 2 deletions
@@ -135,7 +135,7 @@ void main() {
  print("\n查找到的节点对象为 $node，节点值 = ${node?.val}");

  /* 插入节点 */
-  node = insert(16);
+  insert(16);
  print("\n插入节点 16 后，二叉树为\n");
  printTree(getRoot());