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78 lines
1.6 KiB
78 lines
1.6 KiB
3 years ago
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#ifndef BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED
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#define BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2001-2004
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//
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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/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/aux_/is_msvc_eti_arg.hpp>
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#include <boost/mpl/aux_/config/eti.hpp>
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#include <boost/mpl/aux_/config/gcc.hpp>
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#include <boost/mpl/aux_/config/workaround.hpp>
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namespace boost { namespace mpl { namespace aux {
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#if defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)
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template< bool > struct msvc_eti_base_impl
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{
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template< typename T > struct result_
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: T
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{
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typedef T type;
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};
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};
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template<> struct msvc_eti_base_impl<true>
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{
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template< typename T > struct result_
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{
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typedef result_ type;
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typedef result_ first;
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typedef result_ second;
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typedef result_ tag;
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enum { value = 0 };
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};
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};
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template< typename T > struct msvc_eti_base
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: msvc_eti_base_impl< is_msvc_eti_arg<T>::value >
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::template result_<T>
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{
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};
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#else // !BOOST_MPL_CFG_MSVC_70_ETI_BUG
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template< typename T > struct msvc_eti_base
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: T
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{
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#if BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304))
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msvc_eti_base();
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#endif
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typedef T type;
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};
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#endif
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template<> struct msvc_eti_base<int>
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{
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typedef msvc_eti_base type;
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typedef msvc_eti_base first;
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typedef msvc_eti_base second;
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typedef msvc_eti_base tag;
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enum { value = 0 };
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};
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}}}
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#endif // BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED
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