Include bind in ndnboost.
diff --git a/ndnboost/concept/assert.hpp b/ndnboost/concept/assert.hpp
new file mode 100644
index 0000000..148c5ad
--- /dev/null
+++ b/ndnboost/concept/assert.hpp
@@ -0,0 +1,46 @@
+// 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_ASSERT_DWA2006430_HPP
+# define BOOST_CONCEPT_ASSERT_DWA2006430_HPP
+
+# include <ndnboost/config.hpp>
+# include <ndnboost/detail/workaround.hpp>
+
+// The old protocol used a constraints() member function in concept
+// checking classes. If the compiler supports SFINAE, we can detect
+// that function and seamlessly support the old concept checking
+// classes. In this release, backward compatibility with the old
+// concept checking classes is enabled by default, where available.
+// The old protocol is deprecated, though, and backward compatibility
+// will no longer be the default in the next release.
+
+# if !defined(BOOST_NO_OLD_CONCEPT_SUPPORT) \
+ && !defined(BOOST_NO_SFINAE) \
+ \
+ && !(BOOST_WORKAROUND(__GNUC__, == 3) && BOOST_WORKAROUND(__GNUC_MINOR__, < 4)) \
+ && !(BOOST_WORKAROUND(__GNUC__, == 2))
+
+// Note: gcc-2.96 through 3.3.x have some SFINAE, but no ability to
+// check for the presence of particularmember functions.
+
+# define BOOST_OLD_CONCEPT_SUPPORT
+
+# endif
+
+# ifdef BOOST_MSVC
+# include <ndnboost/concept/detail/msvc.hpp>
+# elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+# include <ndnboost/concept/detail/borland.hpp>
+# else
+# include <ndnboost/concept/detail/general.hpp>
+# endif
+
+ // Usage, in class or function context:
+ //
+ // BOOST_CONCEPT_ASSERT((UnaryFunctionConcept<F,bool,int>));
+ //
+# define BOOST_CONCEPT_ASSERT(ModelInParens) \
+ BOOST_CONCEPT_ASSERT_FN(void(*)ModelInParens)
+
+#endif // BOOST_CONCEPT_ASSERT_DWA2006430_HPP