From 74f3263ceae86ae62813d472b4ce745914321ef1 Mon Sep 17 00:00:00 2001
From: Brian Gianforcaro <b.gianfo@gmail.com>
Date: Sun, 26 Apr 2020 13:57:47 -0700
Subject: [PATCH] AK: Add SinglyLinkedListIterator::is_begin()

It's useful to be able to tell if we are at the beginning of
the list when using the list as a queue.
---
 AK/SinglyLinkedList.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/AK/SinglyLinkedList.h b/AK/SinglyLinkedList.h
index 7238b4c76a..b12c0d0377 100644
--- a/AK/SinglyLinkedList.h
+++ b/AK/SinglyLinkedList.h
@@ -46,6 +46,7 @@ public:
     ElementType& operator*() { return m_node->value; }
     ElementType* operator->() { return &m_node->value; }
     bool is_end() const { return !m_node; }
+    bool is_begin() const { return !m_prev; }
 
 private:
     friend ListType;