From 9c0f422d40cf1e53329f5dbfc741042b59d04be0 Mon Sep 17 00:00:00 2001
From: AndreaRigoni <andrea.rigoni@pd.infn.it>
Date: Fri, 7 Aug 2015 11:13:44 +0200
Subject: [PATCH] add null class for template specialization

---
 src/Core/ClassComposite.h | 2 +-
 src/Core/ClassCompound.h  | 3 ++-
 src/Core/Types.h          | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Core/ClassComposite.h b/src/Core/ClassComposite.h
index 4798361..8f1cad6 100644
--- a/src/Core/ClassComposite.h
+++ b/src/Core/ClassComposite.h
@@ -122,7 +122,7 @@ struct ClassComposite {
 } // detail
 
 
-struct Null {};
+//struct Null {};
 template < typename T0 = Null,
            typename T1 = Null,
            typename T2 = Null,
diff --git a/src/Core/ClassCompound.h b/src/Core/ClassCompound.h
index 074f191..bcf96e6 100644
--- a/src/Core/ClassCompound.h
+++ b/src/Core/ClassCompound.h
@@ -4,6 +4,7 @@
 
 #include "boost/type_traits.hpp"
 
+#include "Core/Types.h"
 #include "Core/Mpl.h"
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -83,7 +84,7 @@ struct ClassCompound : ULIB_MPL_INHERIT_SEQ(_Seq) {
 ////////////////////////////////////////////////////////////////////////////////
 // COMPOUND SPECIALIZATIONS //
 
-struct Null {};
+//struct Null {};
 template < class T0 = Null,
            class T1 = Null,
            class T2 = Null,
diff --git a/src/Core/Types.h b/src/Core/Types.h
index 89768f8..f90a11e 100644
--- a/src/Core/Types.h
+++ b/src/Core/Types.h
@@ -322,7 +322,8 @@ struct PrintTypeId {
 struct                    Access  {};
 template <class T> struct Access2 {};
 
-
+// NULL CLASS //
+struct Null {};
 
 
 } // uLib