From 5f2a3376c8425d48a1c920316acea2d18cfc3ab0 Mon Sep 17 00:00:00 2001
From: ZhuangYumin <zhuangyumin@sjtu.edu.cn>
Date: Tue, 26 Mar 2024 13:18:16 +0000
Subject: [PATCH] fix a stupid error when constructing

---
 map/src/map.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/map/src/map.hpp b/map/src/map.hpp
index 32a4a52..9a39ea1 100644
--- a/map/src/map.hpp
+++ b/map/src/map.hpp
@@ -570,6 +570,7 @@ class map {
   map() : node_count(0), tree_root(nullptr) {}
   map(const map &other) {
     node_count = other.node_count;
+    tree_root = nullptr;
     RedBlackTreeNodeType::CopyFrom(tree_root, other.tree_root);
   }
   map(map &&other) {