From c12cfe83b72c8dab2bf0779acf906ce8ea0373d3 Mon Sep 17 00:00:00 2001
From: Timothy Flynn <trflynn89@pm.me>
Date: Wed, 9 Mar 2022 15:32:33 -0500
Subject: [PATCH] AK: Allow creating a Vector from any Span of the same
 underlying type

This allows, for example, to create a Vector from a subset of another
Vector.
---
 AK/Vector.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/AK/Vector.h b/AK/Vector.h
index 9c81689d804..0f6bef51794 100644
--- a/AK/Vector.h
+++ b/AK/Vector.h
@@ -91,6 +91,13 @@ public:
         m_size = other.size();
     }
 
+    explicit Vector(Span<T const> other) requires(!IsLvalueReference<T>)
+    {
+        ensure_capacity(other.size());
+        TypedTransfer<StorageType>::copy(data(), other.data(), other.size());
+        m_size = other.size();
+    }
+
     template<size_t other_inline_capacity>
     Vector(Vector<T, other_inline_capacity> const& other)
     {