From b33e3e698ad9132e9f62dd314c73faad0cb7ef54 Mon Sep 17 00:00:00 2001
From: Johan Mabille <johan.mabille@gmail.com>
Date: Fri, 28 Jun 2024 10:06:44 +0200
Subject: [PATCH] Fixed arrow_layout concept

---
 include/sparrow/array_data_concepts.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/sparrow/array_data_concepts.hpp b/include/sparrow/array_data_concepts.hpp
index 99882eb4f..5e0922c7c 100644
--- a/include/sparrow/array_data_concepts.hpp
+++ b/include/sparrow/array_data_concepts.hpp
@@ -17,6 +17,7 @@
 #include "sparrow/dictionary_encoded_layout.hpp"
 #include "sparrow/fixed_size_layout.hpp"
 #include "sparrow/mp_utils.hpp"
+#include "sparrow/null_layout.hpp"
 #include "sparrow/variable_size_binary_layout.hpp"
 
 namespace sparrow
@@ -30,7 +31,8 @@ namespace sparrow
      * @tparam Layout The layout type to check.
      */
     template <class Layout>
-    concept arrow_layout = mpl::is_type_instance_of_v<Layout, fixed_size_layout>
+    concept arrow_layout = mpl::is_type_instance_of_v<Layout, null_layout>
+                           || mpl::is_type_instance_of_v<Layout, fixed_size_layout>
                            || mpl::is_type_instance_of_v<Layout, variable_size_binary_layout>
                            || mpl::is_type_instance_of_v<Layout, dictionary_encoded_layout>;