diff --git a/include/etl/type_traits.h b/include/etl/type_traits.h
index f75fb0f1..e71bcdea 100644
--- a/include/etl/type_traits.h
+++ b/include/etl/type_traits.h
@@ -314,6 +314,13 @@ namespace etl
   template <typename T> struct is_trivially_copy_assignable : etl::is_pod<T> {};
 #endif
 
+#if ETL_CPP11_SUPPORTED
+  /// is_rvalue_reference
+  ///\ingroup type_traits
+  template <class T> struct is_rvalue_reference      : etl::false_type {};
+  template <class T> struct is_rvalue_reference<T&&> : etl::true_type {};
+#endif
+
   /// conditional
   ///\ingroup type_traits
   template <bool B, typename T, typename F>  struct conditional { typedef T type; };
@@ -485,14 +492,14 @@ namespace etl
   ///\ingroup types
   //***************************************************************************
   template <typename T,
-            typename T1, typename T2 = void, typename T3 = void, typename T4 = void,
-            typename T5 = void, typename T6 = void, typename T7 = void, typename T8 = void,
-            typename T9 = void, typename T10 = void, typename T11 = void, typename T12 = void,
-            typename T13 = void, typename T14 = void, typename T15 = void, typename T16 = void,
+            typename T1, typename T2 = void, typename T3 = void, typename T4 = void, 
+            typename T5 = void, typename T6 = void, typename T7 = void, typename T8 = void, 
+            typename T9 = void, typename T10 = void, typename T11 = void, typename T12 = void, 
+            typename T13 = void, typename T14 = void, typename T15 = void, typename T16 = void, 
             typename T17 = void>
   struct is_one_of
   {
-    static const bool value =
+    static const bool value = 
         etl::is_same<T, T1>::value ||
         etl::is_same<T, T2>::value ||
         etl::is_same<T, T3>::value ||