--- /dev/null
+/*=============================================================================
+ Copyright (c) 2011 Eric Niebler
+
+ 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)
+==============================================================================*/
+#if !defined(BOOST_FUSION_JOINT_VIEW_FWD_HPP_INCLUDED)
+#define BOOST_FUSION_JOINT_VIEW_FWD_HPP_INCLUDED
+
+namespace boost { namespace fusion
+{
+ struct joint_view_tag;
+
+ template <typename Sequence1, typename Sequence2>
+ struct joint_view;
+}}
+
+#endif