AK: Add Span to Array conversion function

1 files changed, 11 insertions, 0 deletions

diff --git a/AK/Array.h b/AK/Array.h
index bf41eb6018..a12949cad2 100644
--- a/AK/Array.h
+++ b/AK/Array.h
@@ -8,6 +8,8 @@
 
 #include <AK/Iterator.h>
 #include <AK/Span.h>
+#include <AK/StdLibExtras.h>
+#include <AK/TypedTransfer.h>
 
 namespace AK {
 
@@ -15,6 +17,15 @@ template<typename T, size_t Size>
 struct Array {
     using ValueType = T;
 
+    // This is a static function because constructors mess up Array's POD-ness.
+    static Array from_span(Span<T> span)
+    {
+        Array array;
+        VERIFY(span.size() == Size);
+        TypedTransfer<T>::copy(array.data(), span.data(), Size);
+        return array;
+    }
+
     [[nodiscard]] constexpr T const* data() const { return __data; }
     [[nodiscard]] constexpr T* data() { return __data; }