Imported existing code

libraries/include/boost/bimap/views/unconstrained_set_view.hpp

@@ -0,0 +1,42 @@
+// Boost.Bimap
+//
+// Copyright (c) 2006-2007 Matias Capeletto
+//
+// 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)
+
+/// \file views/unconstrained_set_view.hpp
+/// \brief Unconstrained view of a bimap.
+
+#ifndef BOOST_BIMAP_VIEWS_UNCONSTRAINED_SET_VIEW_HPP
+#define BOOST_BIMAP_VIEWS_UNCONSTRAINED_SET_VIEW_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+namespace boost {
+namespace bimaps {
+namespace views {
+
+/// \brief Unconstrained view of a bimap.
+
+template< class CoreIndex >
+class unconstrained_set_view
+{
+    public:
+    template< class T >
+    unconstrained_set_view(const T & t) {}
+
+    typedef void iterator;
+    typedef void const_iterator;
+};
+
+} // namespace views
+} // namespace bimaps
+} // namespace boost
+
+#endif // BOOST_BIMAP_VIEWS_UNCONSTRAINED_SET_VIEW_HPP