epoc32/include/stdapis/boost/multi_index/detail/msvc_index_specifier.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
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/* Copyright 2003-2005 Joaquín M López Muñoz.
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 * Distributed under the Boost Software License, Version 1.0.
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 * (See accompanying file LICENSE_1_0.txt or copy at
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 * http://www.boost.org/LICENSE_1_0.txt)
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 *
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 * See http://www.boost.org/libs/multi_index for library home page.
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 */
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#ifndef BOOST_MULTI_INDEX_DETAIL_MSVC_INDEX_SPECIFIER_HPP
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#define BOOST_MULTI_INDEX_DETAIL_MSVC_INDEX_SPECIFIER_HPP
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#if defined(_MSC_VER)&&(_MSC_VER>=1200)
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#pragma once
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#endif
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#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
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#include <boost/detail/workaround.hpp>
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#if BOOST_WORKAROUND(BOOST_MSVC,<1310)
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/* Workaround for a problem in MSVC with dependent template typedefs
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 * when accesing index specifiers.
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 * Modeled after <boost/mpl/aux_/msvc_dtw.hpp> (thanks, Aleksey!)
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 */
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#include <boost/mpl/aux_/msvc_never_true.hpp>
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namespace boost{
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namespace multi_index{
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namespace detail{
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template<typename IndexSpecifier>
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struct msvc_index_specifier
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{
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  template<bool> struct fake_index_type:IndexSpecifier{};
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  template<> struct fake_index_type<true>
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  {
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    template<typename Super>
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    struct node_class{};
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    template<typename Super>
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    struct index_class{};
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  };
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  template<typename Super>
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  struct result_node_class:
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    fake_index_type<mpl::aux::msvc_never_true<IndexSpecifier>::value>::
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      template node_class<Super>
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  {
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  };
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  template<typename Super>
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  struct result_index_class:
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    fake_index_type<mpl::aux::msvc_never_true<IndexSpecifier>::value>::
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      template index_class<Super>
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  {
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  };
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};
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} /* namespace multi_index::detail */
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} /* namespace multi_index */
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} /* namespace boost */
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#endif /* workaround */
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#endif