kicad/include/boost/multi_index/detail/msvc_index_specifier.hpp

70 lines
1.6 KiB
C++

/* Copyright 2003-2008 Joaquin M Lopez Munoz.
* 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