list/aux_/push_front.hpp

0001
0002 #ifndef BOOST_MPL_LIST_AUX_PUSH_FRONT_HPP_INCLUDED
0003 #define BOOST_MPL_LIST_AUX_PUSH_FRONT_HPP_INCLUDED
0004
0005 // Copyright Aleksey Gurtovoy 2000-2004
0006 //
0007 // Distributed under the Boost Software License, Version 1.0.
0008 // (See accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010 //
0011 // See http://www.boost.org/libs/mpl for documentation.
0012
0013 // $Id$
0014 // $Date$
0015 // $Revision$
0016
0017 #include <boost/mpl/push_front_fwd.hpp>
0018 #include <boost/mpl/next.hpp>
0019 #include <boost/mpl/list/aux_/item.hpp>
0020 #include <boost/mpl/list/aux_/tag.hpp>
0021
0022 namespace boost { namespace mpl {
0023
0024 template<>
0025 struct push_front_impl< aux::list_tag >
0026 {
0027     template< typename List, typename T > struct apply
0028     {
0029         typedef l_item<
0030               typename next<typename List::size>::type
0031             , T
0032             , typename List::type
0033             > type;
0034     };
0035 };
0036
0037 }}
0038
0039 #endif // BOOST_MPL_LIST_AUX_PUSH_FRONT_HPP_INCLUDED