From b4c8ed60a993ecd145ae0732769f84ab8d56fed9 Mon Sep 17 00:00:00 2001
From: e2hang <2099307493@qq.com>
Date: Wed, 6 Aug 2025 16:29:41 +0800
Subject: [PATCH] define is essential

---
 LinearList/BinaryTree/linkedBinaryTree.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/LinearList/BinaryTree/linkedBinaryTree.h b/LinearList/BinaryTree/linkedBinaryTree.h
index ae24703..b6a919c 100644
--- a/LinearList/BinaryTree/linkedBinaryTree.h
+++ b/LinearList/BinaryTree/linkedBinaryTree.h
@@ -108,6 +108,8 @@ public:
     }
 };
 
+//Remember to initiate this Definition by denifying it outside the class but inside the .h file
+
 template<typename T>
 void (*linkedBinaryTree<T>::visit)(binaryTreeNode<T>*) = nullptr;