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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\fusion\container\list\detail\next_impl.hpp

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/*=============================================================================
    Copyright (c) 2005 Joel de Guzman
    Copyright (c) 2005 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(FUSION_NEXT_IMPL_07172005_0836)
#define FUSION_NEXT_IMPL_07172005_0836

#include <boost/fusion/iterator/next.hpp>
#include <boost/fusion/iterator/equal_to.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/add_const.hpp>

namespace boost { namespace fusion
{
    struct cons_iterator_tag;

    template <typename Cons>
    struct cons_iterator;

    namespace extension
    {
        template <typename Tag>
        struct next_impl;

        template <>
        struct next_impl<cons_iterator_tag>
        {
            template <typename Iterator>
            struct apply
            {
                typedef typename Iterator::cons_type cons_type;
                typedef typename cons_type::cdr_type cdr_type;
    
                typedef cons_iterator<
                    typename mpl::eval_if<
                        is_const<cons_type>
                      , add_const<cdr_type>
                      , mpl::identity<cdr_type>
                    >::type>
                type;
    
                static type
                call(Iterator const& i)
                {
                    return type(i.cons.cdr);
                }
            };
        };
    }
}}

#endif

next_impl.hpp

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