deref_traits.hpp

C++的一个好库。。。现在很流行

/*=============================================================================
    Copyright (c) 2003 Joel de Guzman
    Copyright (c) 2004 Peder Holt

    Use, modification and distribution is subject to 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_ITERATOR_DETAIL_FILTER_VIEW_ITERATOR_DEREF_TRAITS_HPP)
#define FUSION_ITERATOR_DETAIL_FILTER_VIEW_ITERATOR_DEREF_TRAITS_HPP

#include <boost/spirit/fusion/detail/config.hpp>
#include <boost/spirit/fusion/iterator/detail/adapt_deref_traits.hpp>

namespace boost { namespace fusion
{
    struct filter_view_iterator_tag;

    namespace meta
    {
        template <typename Tag>
        struct deref_impl;

        template <>
        struct deref_impl<filter_view_iterator_tag> : detail::adapt_deref_traits
        {};
    }
}}

#endif