From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 27 Jan 2022 00:16:07 +0000 (-0700)
Subject: Move the declaration of a base class to right before its child class.
X-Git-Tag: v9.4.0-rc1~553^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13296%2Fhead;p=dealii.git

Move the declaration of a base class to right before its child class.
---

diff --git a/include/deal.II/base/template_constraints.h b/include/deal.II/base/template_constraints.h
index 3d9673bf6d..915732c084 100644
--- a/include/deal.II/base/template_constraints.h
+++ b/include/deal.II/base/template_constraints.h
@@ -36,10 +36,6 @@ namespace internal
     template <class...>
     using void_t = void;
 
-    // base class for nonesuch to inherit from so it is not an aggregate
-    struct nonesuch_base
-    {};
-
     // primary template handles all types not supporting the archetypal Op
     template <class Default,
               class /*AlwaysVoid*/,
@@ -61,6 +57,9 @@ namespace internal
     };
 
 
+    // base class for nonesuch to inherit from so it is not an aggregate
+    struct nonesuch_base
+    {};
 
     struct nonesuch : private nonesuch_base
     {