udpate

4 years ago · 64a32a5aa1
1 changed files with 1 additions and 1 deletions
--- a/typescript/core/utils/tree.ts
+++ b/typescript/core/utils/tree.ts
@ -26,7 +26,7 @@ export declare class Node {
 export declare class Tree {
  root: Node;
-  addNode(node: Node, newNode: Node, index: number):void;
+  addNode(node: Node, newNode: Node, index?: number):void;
  isRoot(node: Node): boolean;
  getRoot(): Node;
  clear():void;