From 2f86bbc0aeb2bb7ac0938e1e9b5986291d704816 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Sat, 28 Oct 2023 10:10:43 +0800
Subject: [PATCH] 1

---
 src/listhead.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/listhead.rs b/src/listhead.rs
index fd63582..b7a2c2b 100644
--- a/src/listhead.rs
+++ b/src/listhead.rs
@@ -14,7 +14,7 @@ pub struct ListHead<T> {
 
 impl<T> ListHead<T> {
 
-    pub fn new_head() -> Rc::<RefCell::<ListHead<T>>> {
+    pub fn new_head() -> Rc::<RefCell::<Self>> {
         let this = Rc::new(RefCell::new(ListHead{
             prev: Default::default(),
             next: Default::default(),
@@ -26,13 +26,14 @@ impl<T> ListHead<T> {
         return this;
     }
 
-    pub fn new_node(data: Weak::<RefCell::<T>>) -> Rc::<RefCell::<ListHead<T>>> {
+    pub fn new_node(data: Weak::<RefCell::<T>>) -> Rc::<RefCell::<Self>> {
         let this = Rc::new(RefCell::new(ListHead{
-            prev: Weak::<RefCell::<ListHead<T>>>::new(),
-            next: Weak::<RefCell::<ListHead<T>>>::new(),
+            prev: Default::default(),
+            next: Default::default(),
             data: data,
-            _self_wp: Weak::<RefCell::<ListHead<T>>>::new()
+            _self_wp: Default::default(),
         }));
+        this.borrow_mut()._self_wp = Rc::downgrade(&this);
         this.borrow_mut().init();
         return this;
     }