From c835ec07b6fd76303e11ebf082df70fceb3891e3 Mon Sep 17 00:00:00 2001
From: fw_qaq <fwqaaq@gmail.com>
Date: Wed, 29 Mar 2023 16:44:08 +0800
Subject: [PATCH] =?UTF-8?q?Update=2024.=20=E4=B8=A4=E4=B8=A4=E4=BA=A4?=
 =?UTF-8?q?=E6=8D=A2=E9=93=BE=E8=A1=A8=E4=B8=AD=E7=9A=84=E8=8A=82=E7=82=B9?=
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---
 problems/0024.两两交换链表中的节点.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/problems/0024.两两交换链表中的节点.md b/problems/0024.两两交换链表中的节点.md
index 4dc051aa..12912382 100644
--- a/problems/0024.两两交换链表中的节点.md
+++ b/problems/0024.两两交换链表中的节点.md
@@ -410,7 +410,7 @@ impl Solution {
 // 递归
 impl Solution {
     pub fn swap_pairs(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
-        if head == None || head.as_ref().unwrap().next == None {
+        if head.is_none() || head.as_ref().unwrap().next.is_none() {
             return head;
         }