diff --git a/ndnboost/detail/indirect_traits.hpp b/ndnboost/detail/indirect_traits.hpp
new file mode 100644
index 0000000..fa2d671
--- /dev/null
+++ b/ndnboost/detail/indirect_traits.hpp
@@ -0,0 +1,487 @@
+// Copyright David Abrahams 2002.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+#ifndef INDIRECT_TRAITS_DWA2002131_HPP
+# define INDIRECT_TRAITS_DWA2002131_HPP
+# include <ndnboost/type_traits/is_function.hpp>
+# include <ndnboost/type_traits/is_reference.hpp>
+# include <ndnboost/type_traits/is_pointer.hpp>
+# include <ndnboost/type_traits/is_class.hpp>
+# include <ndnboost/type_traits/is_const.hpp>
+# include <ndnboost/type_traits/is_volatile.hpp>
+# include <ndnboost/type_traits/is_member_function_pointer.hpp>
+# include <ndnboost/type_traits/is_member_pointer.hpp>
+# include <ndnboost/type_traits/remove_cv.hpp>
+# include <ndnboost/type_traits/remove_reference.hpp>
+# include <ndnboost/type_traits/remove_pointer.hpp>
+
+# include <ndnboost/type_traits/detail/ice_and.hpp>
+# include <ndnboost/detail/workaround.hpp>
+
+# include <ndnboost/mpl/eval_if.hpp>
+# include <ndnboost/mpl/if.hpp>
+# include <ndnboost/mpl/bool.hpp>
+# include <ndnboost/mpl/and.hpp>
+# include <ndnboost/mpl/not.hpp>
+# include <ndnboost/mpl/aux_/lambda_support.hpp>
+
+#  ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+#   include <ndnboost/detail/is_function_ref_tester.hpp>
+#  endif 
+
+namespace ndnboost { namespace detail {
+
+namespace indirect_traits {
+
+#  ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+template <class T>
+struct is_reference_to_const : mpl::false_
+{
+};
+
+template <class T>
+struct is_reference_to_const<T const&> : mpl::true_
+{
+};
+
+#   if defined(BOOST_MSVC) && _MSC_FULL_VER <= 13102140 // vc7.01 alpha workaround
+template<class T>
+struct is_reference_to_const<T const volatile&> : mpl::true_
+{
+};
+#   endif 
+
+template <class T>
+struct is_reference_to_function : mpl::false_
+{
+};
+
+template <class T>
+struct is_reference_to_function<T&> : is_function<T>
+{
+};
+
+template <class T>
+struct is_pointer_to_function : mpl::false_
+{
+};
+
+// There's no such thing as a pointer-to-cv-function, so we don't need
+// specializations for those
+template <class T>
+struct is_pointer_to_function<T*> : is_function<T>
+{
+};
+
+template <class T>
+struct is_reference_to_member_function_pointer_impl : mpl::false_
+{
+};
+
+template <class T>
+struct is_reference_to_member_function_pointer_impl<T&>
+    : is_member_function_pointer<typename remove_cv<T>::type>
+{
+};
+
+
+template <class T>
+struct is_reference_to_member_function_pointer
+    : is_reference_to_member_function_pointer_impl<T>
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_member_function_pointer,(T))
+};
+
+template <class T>
+struct is_reference_to_function_pointer_aux
+    : mpl::and_<
+          is_reference<T>
+        , is_pointer_to_function<
+              typename remove_cv<
+                  typename remove_reference<T>::type
+              >::type
+          >
+      >
+{
+    // There's no such thing as a pointer-to-cv-function, so we don't need specializations for those
+};
+
+template <class T>
+struct is_reference_to_function_pointer
+    : mpl::if_<
+          is_reference_to_function<T>
+        , mpl::false_
+        , is_reference_to_function_pointer_aux<T>
+     >::type
+{
+};
+
+template <class T>
+struct is_reference_to_non_const
+    : mpl::and_<
+          is_reference<T>
+        , mpl::not_<
+             is_reference_to_const<T>
+          >
+      >
+{
+};
+
+template <class T>
+struct is_reference_to_volatile : mpl::false_
+{
+};
+
+template <class T>
+struct is_reference_to_volatile<T volatile&> : mpl::true_
+{
+};
+
+#   if defined(BOOST_MSVC) && _MSC_FULL_VER <= 13102140 // vc7.01 alpha workaround
+template <class T>
+struct is_reference_to_volatile<T const volatile&> : mpl::true_
+{
+};
+#   endif 
+
+
+template <class T>
+struct is_reference_to_pointer : mpl::false_
+{
+};
+
+template <class T>
+struct is_reference_to_pointer<T*&> : mpl::true_
+{
+};
+
+template <class T>
+struct is_reference_to_pointer<T* const&> : mpl::true_
+{
+};
+
+template <class T>
+struct is_reference_to_pointer<T* volatile&> : mpl::true_
+{
+};
+
+template <class T>
+struct is_reference_to_pointer<T* const volatile&> : mpl::true_
+{
+};
+
+template <class T>
+struct is_reference_to_class
+    : mpl::and_<
+          is_reference<T>
+        , is_class<
+              typename remove_cv<
+                  typename remove_reference<T>::type
+              >::type
+          >
+      >
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_class,(T))
+};
+
+template <class T>
+struct is_pointer_to_class
+    : mpl::and_<
+          is_pointer<T>
+        , is_class<
+              typename remove_cv<
+                  typename remove_pointer<T>::type
+              >::type
+          >
+      >
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_pointer_to_class,(T))
+};
+
+#  else
+
+using namespace ndnboost::detail::is_function_ref_tester_;
+
+typedef char (&inner_yes_type)[3];
+typedef char (&inner_no_type)[2];
+typedef char (&outer_no_type)[1];
+
+template <typename V>
+struct is_const_help
+{
+    typedef typename mpl::if_<
+          is_const<V>
+        , inner_yes_type
+        , inner_no_type
+        >::type type;
+};
+
+template <typename V>
+struct is_volatile_help
+{
+    typedef typename mpl::if_<
+          is_volatile<V>
+        , inner_yes_type
+        , inner_no_type
+        >::type type;
+};
+
+template <typename V>
+struct is_pointer_help
+{
+    typedef typename mpl::if_<
+          is_pointer<V>
+        , inner_yes_type
+        , inner_no_type
+        >::type type;
+};
+
+template <typename V>
+struct is_class_help
+{
+    typedef typename mpl::if_<
+          is_class<V>
+        , inner_yes_type
+        , inner_no_type
+        >::type type;
+};
+
+template <class T>
+struct is_reference_to_function_aux
+{
+    static T t;
+    BOOST_STATIC_CONSTANT(
+        bool, value = sizeof(detail::is_function_ref_tester(t,0)) == sizeof(::ndnboost::type_traits::yes_type));
+    typedef mpl::bool_<value> type;
+ };
+
+template <class T>
+struct is_reference_to_function
+    : mpl::if_<is_reference<T>, is_reference_to_function_aux<T>, mpl::bool_<false> >::type
+{
+};
+
+template <class T>
+struct is_pointer_to_function_aux
+{
+    static T t;
+    BOOST_STATIC_CONSTANT(
+        bool, value
+        = sizeof(::ndnboost::type_traits::is_function_ptr_tester(t)) == sizeof(::ndnboost::type_traits::yes_type));
+    typedef mpl::bool_<value> type;
+};
+
+template <class T>
+struct is_pointer_to_function
+    : mpl::if_<is_pointer<T>, is_pointer_to_function_aux<T>, mpl::bool_<false> >::type
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_pointer_to_function,(T))
+};
+
+struct false_helper1
+{
+    template <class T>
+    struct apply : mpl::false_
+    {
+    };
+};
+
+template <typename V>
+typename is_const_help<V>::type reference_to_const_helper(V&);    
+outer_no_type
+reference_to_const_helper(...);
+
+struct true_helper1
+{
+    template <class T>
+    struct apply
+    {
+        static T t;
+        BOOST_STATIC_CONSTANT(
+            bool, value
+            = sizeof(reference_to_const_helper(t)) == sizeof(inner_yes_type));
+        typedef mpl::bool_<value> type;
+    };
+};
+
+template <bool ref = true>
+struct is_reference_to_const_helper1 : true_helper1
+{
+};
+
+template <>
+struct is_reference_to_const_helper1<false> : false_helper1
+{
+};
+
+
+template <class T>
+struct is_reference_to_const
+    : is_reference_to_const_helper1<is_reference<T>::value>::template apply<T>
+{
+};
+
+
+template <bool ref = true>
+struct is_reference_to_non_const_helper1
+{
+    template <class T>
+    struct apply
+    {
+        static T t;
+        BOOST_STATIC_CONSTANT(
+            bool, value
+            = sizeof(reference_to_const_helper(t)) == sizeof(inner_no_type));
+        
+        typedef mpl::bool_<value> type;
+    };
+};
+
+template <>
+struct is_reference_to_non_const_helper1<false> : false_helper1
+{
+};
+
+
+template <class T>
+struct is_reference_to_non_const
+    : is_reference_to_non_const_helper1<is_reference<T>::value>::template apply<T>
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_non_const,(T))
+};
+
+
+template <typename V>
+typename is_volatile_help<V>::type reference_to_volatile_helper(V&);    
+outer_no_type
+reference_to_volatile_helper(...);
+
+template <bool ref = true>
+struct is_reference_to_volatile_helper1
+{
+    template <class T>
+    struct apply
+    {
+        static T t;
+        BOOST_STATIC_CONSTANT(
+            bool, value
+            = sizeof(reference_to_volatile_helper(t)) == sizeof(inner_yes_type));
+        typedef mpl::bool_<value> type;
+    };
+};
+
+template <>
+struct is_reference_to_volatile_helper1<false> : false_helper1
+{
+};
+
+
+template <class T>
+struct is_reference_to_volatile
+    : is_reference_to_volatile_helper1<is_reference<T>::value>::template apply<T>
+{
+};
+
+template <typename V>
+typename is_pointer_help<V>::type reference_to_pointer_helper(V&);
+outer_no_type reference_to_pointer_helper(...);
+
+template <class T>
+struct reference_to_pointer_impl
+{
+    static T t;
+    BOOST_STATIC_CONSTANT(
+        bool, value
+        = (sizeof((reference_to_pointer_helper)(t)) == sizeof(inner_yes_type))
+        );
+    
+    typedef mpl::bool_<value> type;
+};
+    
+template <class T>
+struct is_reference_to_pointer
+  : mpl::eval_if<is_reference<T>, reference_to_pointer_impl<T>, mpl::false_>::type
+{   
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_pointer,(T))
+};
+
+template <class T>
+struct is_reference_to_function_pointer
+  : mpl::eval_if<is_reference<T>, is_pointer_to_function_aux<T>, mpl::false_>::type
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_function_pointer,(T))
+};
+
+
+template <class T>
+struct is_member_function_pointer_help
+    : mpl::if_<is_member_function_pointer<T>, inner_yes_type, inner_no_type>
+{};
+
+template <typename V>
+typename is_member_function_pointer_help<V>::type member_function_pointer_helper(V&);
+outer_no_type member_function_pointer_helper(...);
+
+template <class T>
+struct is_pointer_to_member_function_aux
+{
+    static T t;
+    BOOST_STATIC_CONSTANT(
+        bool, value
+        = sizeof((member_function_pointer_helper)(t)) == sizeof(inner_yes_type));
+    typedef mpl::bool_<value> type;
+};
+
+template <class T>
+struct is_reference_to_member_function_pointer
+    : mpl::if_<
+        is_reference<T>
+        , is_pointer_to_member_function_aux<T>
+        , mpl::bool_<false>
+     >::type
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_member_function_pointer,(T))
+};
+
+template <typename V>
+typename is_class_help<V>::type reference_to_class_helper(V const volatile&);
+outer_no_type reference_to_class_helper(...);
+
+template <class T>
+struct is_reference_to_class
+{
+    static T t;
+    BOOST_STATIC_CONSTANT(
+        bool, value
+        = (is_reference<T>::value
+           & (sizeof(reference_to_class_helper(t)) == sizeof(inner_yes_type)))
+        );
+    typedef mpl::bool_<value> type;
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_reference_to_class,(T))
+};
+
+template <typename V>
+typename is_class_help<V>::type pointer_to_class_helper(V const volatile*);
+outer_no_type pointer_to_class_helper(...);
+
+template <class T>
+struct is_pointer_to_class
+{
+    static T t;
+    BOOST_STATIC_CONSTANT(
+        bool, value
+        = (is_pointer<T>::value
+           && sizeof(pointer_to_class_helper(t)) == sizeof(inner_yes_type))
+        );
+    typedef mpl::bool_<value> type;
+};
+#  endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION 
+
+}
+
+using namespace indirect_traits;
+
+}} // namespace ndnboost::python::detail
+
+#endif // INDIRECT_TRAITS_DWA2002131_HPP