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+
+#ifndef BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED
+#define BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id$
+// $Date$
+// $Revision$
+
+#include <boost/mpl/copy.hpp>
+#include <boost/mpl/clear.hpp>
+#include <boost/mpl/front_inserter.hpp>
+#include <boost/mpl/joint_view.hpp>
+#include <boost/mpl/iterator_range.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/iter_push_front.hpp>
+#include <boost/mpl/aux_/traits_lambda_spec.hpp>
+#include <boost/mpl/aux_/config/forwarding.hpp>
+
+#include <boost/type_traits/same_traits.hpp>
+
+namespace boost { namespace mpl {
+
+// default implementation; conrete sequences might override it by
+// specializing either the 'insert_range_impl' or the primary
+// 'insert_range' template
+
+
+template< typename Tag >
+struct insert_range_impl
+{
+ template<
+ typename Sequence
+ , typename Pos
+ , typename Range
+ >
+ struct apply
+#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
+ : reverse_copy<
+ joint_view<
+ iterator_range<typename begin<Sequence>::type,Pos>
+ , joint_view<
+ Range
+ , iterator_range<Pos,typename end<Sequence>::type>
+ >
+ >
+ , front_inserter< typename clear<Sequence>::type >
+ >
+ {
+#else
+ {
+ typedef typename reverse_copy<
+ joint_view<
+ iterator_range<typename begin<Sequence>::type,Pos>
+ , joint_view<
+ Range
+ , iterator_range<Pos,typename end<Sequence>::type>
+ >
+ >
+ , front_inserter< typename clear<Sequence>::type >
+ >::type type;
+#endif
+ };
+};
+
+BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(3,insert_range_impl)
+
+}}
+
+#endif // BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED