From f48483b258e116742c99a6f5260690b7d52ef7a6 Mon Sep 17 00:00:00 2001
From: qlw319 <1529899901@qq.com>
Date: Fri, 12 Apr 2024 14:51:41 +0800
Subject: [PATCH] fix: list.first is nil not check

---
 lists/singlylinkedlist/singlylinkedlist.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lists/singlylinkedlist/singlylinkedlist.go b/lists/singlylinkedlist/singlylinkedlist.go
index a4126021..ef65edbf 100644
--- a/lists/singlylinkedlist/singlylinkedlist.go
+++ b/lists/singlylinkedlist/singlylinkedlist.go
@@ -78,8 +78,7 @@ func (list *List[T]) Prepend(values ...T) {
 // Get returns the element at index.
 // Second return parameter is true if index is within bounds of the array and array is not empty, otherwise false.
 func (list *List[T]) Get(index int) (T, bool) {
-
-	if !list.withinRange(index) {
+	if !list.withinRange(index) || list.first == nil {
 		var t T
 		return t, false
 	}