From e9b9527440f008f653ac2a2b7bc04a6abcb2bd74 Mon Sep 17 00:00:00 2001
From: Ali Mohammad Pur <ali.mpfard@gmail.com>
Date: Thu, 3 Nov 2022 13:33:14 +0330
Subject: [PATCH] AK: Add a fast path for DisjointChunks::spans()

---
 AK/DisjointChunks.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/AK/DisjointChunks.h b/AK/DisjointChunks.h
index 0369f6bf9b..688604a02f 100644
--- a/AK/DisjointChunks.h
+++ b/AK/DisjointChunks.h
@@ -316,6 +316,11 @@ public:
     {
         Vector<Span<T>, InlineSize> spans;
         spans.ensure_capacity(m_chunks.size());
+        if (m_chunks.size() == 1) {
+            spans.append(const_cast<ChunkType&>(m_chunks[0]).span());
+            return DisjointSpans<T, Vector<Span<T>, InlineSize>> { move(spans) };
+        }
+
         for (auto& chunk : m_chunks)
             spans.unchecked_append(const_cast<ChunkType&>(chunk).span());
         return DisjointSpans<T, Vector<Span<T>, InlineSize>> { move(spans) };