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diff --git a/boost_ext/boost/bimap/views/unordered_multimap_view.hpp b/boost_ext/boost/bimap/views/unordered_multimap_view.hpp
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+// 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/unordered_multimap_view.hpp
+/// \brief View of a side of a bimap that is signature compatible with tr1::unordered_multimap.
+
+#ifndef BOOST_BIMAP_VIEWS_UNOREDERED_MULTIMAP_VIEW_HPP
+#define BOOST_BIMAP_VIEWS_UNOREDERED_MULTIMAP_VIEW_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+#include <utility>
+
+#include <boost/bimap/container_adaptor/unordered_multimap_adaptor.hpp>
+#include <boost/bimap/detail/non_unique_views_helper.hpp>
+#include <boost/bimap/support/iterator_type_by.hpp>
+#include <boost/bimap/detail/map_view_base.hpp>
+
+namespace boost {
+namespace bimaps {
+namespace views {
+
+/// \brief View of a side of a bimap that is signature compatible with tr1::unordered_multimap.
+/**
+
+This class uses container_adaptor and iterator_adaptor to wrapped a index of the
+multi_index bimap core so it can be used as a tr1::unordered_multimap.
+
+See also const_unordered_multimap_view.
+                                                                             **/
+
+template< class Tag, class BimapType >
+class unordered_multimap_view
+:
+    public BOOST_BIMAP_MAP_VIEW_CONTAINER_ADAPTOR(
+        unordered_multimap_adaptor,
+        Tag,BimapType,
+        local_iterator_type_by,const_local_iterator_type_by
+    ),
+
+    public ::boost::bimaps::detail::map_view_base<
+                unordered_multimap_view<Tag,BimapType>,Tag,BimapType >
+
+{
+    typedef BOOST_BIMAP_MAP_VIEW_CONTAINER_ADAPTOR(
+        unordered_multimap_adaptor,
+        Tag,BimapType,
+        local_iterator_type_by,const_local_iterator_type_by
+
+    ) base_;
+
+    BOOST_BIMAP_MAP_VIEW_BASE_FRIEND(unordered_multimap_view,Tag,BimapType)
+
+    public:
+
+    typedef std::pair<
+        BOOST_DEDUCED_TYPENAME base_::iterator,
+        BOOST_DEDUCED_TYPENAME base_::iterator
+    > range_type;
+
+    typedef std::pair<
+        BOOST_DEDUCED_TYPENAME base_::const_iterator,
+        BOOST_DEDUCED_TYPENAME base_::const_iterator
+    > const_range_type;
+
+    typedef BOOST_DEDUCED_TYPENAME base_::value_type::info_type info_type;
+
+    unordered_multimap_view(BOOST_DEDUCED_TYPENAME base_::base_type & c)
+        : base_(c) {}
+
+    BOOST_BIMAP_NON_UNIQUE_VIEW_INSERT_FUNCTIONS
+
+    unordered_multimap_view & operator=(const unordered_multimap_view & v) 
+    {
+        this->base() = v.base();
+        return *this;
+    }
+};
+
+
+} // namespace views
+
+/*===========================================================================*/
+#define BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,TYPENAME)            \
+typedef BOOST_DEDUCED_TYPENAME MAP_VIEW::TYPENAME                             \
+    BOOST_PP_CAT(SIDE,BOOST_PP_CAT(_,TYPENAME));
+/*===========================================================================*/
+
+/*===========================================================================*/
+#define BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY(MAP_VIEW,SIDE)               \
+    BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,local_iterator)          \
+    BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,const_local_iterator)    \
+    BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,range_type)              \
+    BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,const_range_type)        \
+    BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,hasher)                  \
+    BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,key_equal)
+/*===========================================================================*/
+
+namespace detail {
+
+template< class Tag, class BimapType >
+struct left_map_view_extra_typedefs< ::boost::bimaps::views::unordered_multimap_view<Tag,BimapType> >
+{
+    private: typedef ::boost::bimaps::views::unordered_multimap_view<Tag,BimapType> map_view_;
+    public : BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY(map_view_,left)
+};
+
+template< class Tag, class BimapType >
+struct right_map_view_extra_typedefs< ::boost::bimaps::views::unordered_multimap_view<Tag,BimapType> >
+{
+    private: typedef ::boost::bimaps::views::unordered_multimap_view<Tag,BimapType> map_view_;
+    public : BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY(map_view_,right)
+};
+
+} // namespace detail
+
+/*===========================================================================*/
+#undef BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF
+#undef BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY
+/*===========================================================================*/
+
+} // namespace bimaps
+} // namespace boost
+
+#endif // BOOST_BIMAP_VIEWS_UNOREDERED_MULTIMAP_VIEW_HPP
+
+