From 1eee4d6508beaaa1337f43eeb2831bcfb81e4c5f Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <martin.kronbichler@uni-a.de>
Date: Thu, 2 Jun 2022 09:38:40 +0200
Subject: [PATCH] Use static_assert to ensure correct type

---
 source/matrix_free/dof_info.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/source/matrix_free/dof_info.cc b/source/matrix_free/dof_info.cc
index 74bb04d153..ac7e721ff1 100644
--- a/source/matrix_free/dof_info.cc
+++ b/source/matrix_free/dof_info.cc
@@ -28,6 +28,13 @@ namespace internal
 {
   namespace MatrixFreeFunctions
   {
+    // ensure that the type defined in both dof_info.h and
+    // hanging_nodes_internal.h is consistent
+    static_assert(std::is_same<compressed_constraint_kind, std::uint8_t>::value,
+                  "Unexpected type for compressed hanging node indicators!");
+
+
+
     DoFInfo::DoFInfo()
     {
       clear();
-- 
2.39.5