/* 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