boost/fusion/adapted/struct/detail/at_impl.hpp

/*=============================================================================
    Copyright (c) 2001-2006 Joel de Guzman
    Copyright (c) 2005-2006 Dan Marsden
    Copyright (c) 2009-2010 Christopher Schmidt

    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)
==============================================================================*/

#ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_AT_IMPL_HPP
#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_AT_IMPL_HPP

#include <boost/mpl/int.hpp>

namespace boost { namespace fusion { namespace extension
{
    template<typename>
    struct at_impl;

    template <>
    struct at_impl<struct_tag>
    {
        template <typename Seq, typename N>
        struct apply
          : access::struct_member<
                typename remove_const<Seq>::type
              , N::value
            >::template apply<Seq>
        {};
    };

    template <>
    struct at_impl<assoc_struct_tag>
      : at_impl<struct_tag>
    {};
}}}

#endif

Boost C++ Libraries

boost/fusion/adapted/struct/detail/at_impl.hpp