size_impl.hpp

来自「Boost provides free peer-reviewed portab」· HPP 代码 · 共 36 行

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

    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_SIZE_IMPL_20060124_0800)
#define FUSION_SIZE_IMPL_20060124_0800

namespace boost { namespace fusion {
    
    struct zip_view_tag;

    namespace extension
    {
        template<typename Sequence>
        struct size;

        template<typename Tag>
        struct size_impl;

        template<>
        struct size_impl<zip_view_tag>
        {
            template<typename Sequence>
            struct apply
            {
                typedef typename Sequence::size type;
            };
        };
    }
}}

#endif