From 44798f44ef1c112aa9dbee7abee7ff6a5568c4f4 Mon Sep 17 00:00:00 2001
From: Ali Mohammad Pur <ali.mpfard@gmail.com>
Date: Tue, 10 Dec 2024 23:33:38 +0100
Subject: [PATCH] AK: Add Vector::get(index) convenience function

This is similar to HashMap::get(key), which returns an Optional, empty
if the index is out of bounds for the vector.
---
 AK/Vector.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/AK/Vector.h b/AK/Vector.h
index 41ac977fa13..16d83d6c4fa 100644
--- a/AK/Vector.h
+++ b/AK/Vector.h
@@ -155,6 +155,20 @@ public:
     ALWAYS_INLINE VisibleType const& operator[](size_t i) const { return at(i); }
     ALWAYS_INLINE VisibleType& operator[](size_t i) { return at(i); }
 
+    Optional<VisibleType&> get(size_t i)
+    {
+        if (i >= size())
+            return {};
+        return at(i);
+    }
+
+    Optional<VisibleType const&> get(size_t i) const
+    {
+        if (i >= size())
+            return {};
+        return at(i);
+    }
+
     VisibleType const& first() const { return at(0); }
     VisibleType& first() { return at(0); }