From 0f96289ed1485f64b010864c1ee26bd94051c132 Mon Sep 17 00:00:00 2001
From: Jack_ZhijieFang <56966563+laerpeeK@users.noreply.github.com>
Date: Fri, 5 Aug 2022 03:15:03 +0800
Subject: [PATCH] =?UTF-8?q?fix=200203.=E7=A7=BB=E9=99=A4=E9=93=BE=E8=A1=A8?=
 =?UTF-8?q?=E5=85=83=E7=B4=A0.md?=
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修复某个变量编译时的类型问题。
---
 problems/0203.移除链表元素.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/problems/0203.移除链表元素.md b/problems/0203.移除链表元素.md
index 6fd9b66f..5622fd1c 100644
--- a/problems/0203.移除链表元素.md
+++ b/problems/0203.移除链表元素.md
@@ -385,7 +385,8 @@ function removeElements(head: ListNode | null, val: number): ListNode | null {
         if (cur.val === val) {
             pre.next = cur.next;
         } else {
-            pre = pre.next;
+            //此处不加类型断言时：编译器会认为pre类型为ListNode, pre.next类型为ListNode | null
+            pre = pre.next as ListNode;
         }
         cur = cur.next;
     }