value_of_impl.hpp

来自「Boost provides free peer-reviewed portab」· HPP 代码 · 共 30 行

/*=============================================================================
    Copyright (c) 2001-2006 Joel de Guzman

    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_VALUE_OF_IMPL_05062005_0857)
#define FUSION_VALUE_OF_IMPL_05062005_0857

#include <boost/fusion/iterator/detail/adapt_value_traits.hpp>

namespace boost { namespace fusion
{
    struct filter_view_iterator_tag;

    namespace extension
    {
        template <typename Tag>
        struct value_of_impl;

        template <>
        struct value_of_impl<filter_view_iterator_tag>
            : detail::adapt_value_traits {};
    }
}}

#endif