/* Copyright 2003-2005 Joaquín M López Muñoz.

 * 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)

 *

 * See http://www.boost.org/libs/multi_index for library home page.

 */

#ifndef BOOST_MULTI_INDEX_DETAIL_MSVC_INDEX_SPECIFIER_HPP

#define BOOST_MULTI_INDEX_DETAIL_MSVC_INDEX_SPECIFIER_HPP

#if defined(_MSC_VER)&&(_MSC_VER>=1200)

#pragma once

#endif

#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */

#include <boost/detail/workaround.hpp>

#if BOOST_WORKAROUND(BOOST_MSVC,<1310)

/* Workaround for a problem in MSVC with dependent template typedefs

 * when accesing index specifiers.

 * Modeled after <boost/mpl/aux_/msvc_dtw.hpp> (thanks, Aleksey!)

 */

#include <boost/mpl/aux_/msvc_never_true.hpp>

namespace boost{

namespace multi_index{

namespace detail{

template<typename IndexSpecifier>

struct msvc_index_specifier

{

  template<bool> struct fake_index_type:IndexSpecifier{};

  template<> struct fake_index_type<true>

  {

    template<typename Super>

    struct node_class{};

    template<typename Super>

    struct index_class{};

  };

  template<typename Super>

  struct result_node_class:

    fake_index_type<mpl::aux::msvc_never_true<IndexSpecifier>::value>::

      template node_class<Super>

  {

  };

  template<typename Super>

  struct result_index_class:

    fake_index_type<mpl::aux::msvc_never_true<IndexSpecifier>::value>::

      template index_class<Super>

  {

  };

};

} /* namespace multi_index::detail */

} /* namespace multi_index */

} /* namespace boost */

#endif /* workaround */

#endif