Include bind in ndnboost.
diff --git a/ndnboost/concept/detail/general.hpp b/ndnboost/concept/detail/general.hpp
new file mode 100644
index 0000000..defbf03
--- /dev/null
+++ b/ndnboost/concept/detail/general.hpp
@@ -0,0 +1,75 @@
+// Copyright David Abrahams 2006. 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 BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
+# define BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
+
+# include <ndnboost/preprocessor/cat.hpp>
+# include <ndnboost/concept/detail/backward_compatibility.hpp>
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+# include <ndnboost/concept/detail/has_constraints.hpp>
+# include <ndnboost/mpl/if.hpp>
+# endif
+
+// This implementation works on Comeau and GCC, all the way back to
+// 2.95
+namespace ndnboost { namespace concepts {
+
+template <class ModelFn>
+struct requirement_;
+
+namespace detail
+{
+ template <void(*)()> struct instantiate {};
+}
+
+template <class Model>
+struct requirement
+{
+ static void failed() { ((Model*)0)->~Model(); }
+};
+
+struct failed {};
+
+template <class Model>
+struct requirement<failed ************ Model::************>
+{
+ static void failed() { ((Model*)0)->~Model(); }
+};
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+
+template <class Model>
+struct constraint
+{
+ static void failed() { ((Model*)0)->constraints(); }
+};
+
+template <class Model>
+struct requirement_<void(*)(Model)>
+ : mpl::if_<
+ concepts::not_satisfied<Model>
+ , constraint<Model>
+ , requirement<failed ************ Model::************>
+ >::type
+{};
+
+# else
+
+// For GCC-2.x, these can't have exactly the same name
+template <class Model>
+struct requirement_<void(*)(Model)>
+ : requirement<failed ************ Model::************>
+{};
+
+# endif
+
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
+ typedef ::ndnboost::concepts::detail::instantiate< \
+ &::ndnboost::concepts::requirement_<ModelFnPtr>::failed> \
+ BOOST_PP_CAT(boost_concept_check,__LINE__)
+
+}}
+
+#endif // BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP