Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards


    Copyright (c) 2001-2011 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


#include <boost/fusion/support/config.hpp>
#include <boost/mpl/int.hpp>

namespace boost { namespace fusion { namespace extension
    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>