AK: Add Queue::tail()

We already had head(), so let's also have tail().
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/f8c075f2b1
2023-03-14 13:41:13 +01:00 · 2023-03-14 13:41:13 +01:00 · f8c075f2b1 · 2024-07-17 00:27:16 +09:00
commit f8c075f2b1
parent 479e269c8b
1 changed files with 6 additions and 0 deletions
--- a/AK/Queue.h
+++ b/AK/Queue.h
@ -62,6 +62,12 @@ public:
        return m_segments.first()->data[m_index_into_first];
    }

+    T& tail()
+    {
+        VERIFY(!is_empty());
+        return m_segments.last()->data.last();
+    }
+
    void clear()
    {
        while (auto* segment = m_segments.take_first())