forked from KolibriOS/kolibrios
sdk: build libsupc++ from libstdc++ source
git-svn-id: svn://kolibrios.org@5134 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
160
contrib/sdk/sources/libstdc++-v3/include/utility
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160
contrib/sdk/sources/libstdc++-v3/include/utility
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// <utility> -*- C++ -*-
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// Copyright (C) 2001-2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1996,1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*/
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/** @file include/utility
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_UTILITY
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#define _GLIBCXX_UTILITY 1
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#pragma GCC system_header
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/**
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* @defgroup utilities Utilities
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*
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* Components deemed generally useful. Includes pair, tuple,
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* forward/move helpers, ratio, function object, metaprogramming and
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* type traits, time, date, and memory functions.
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*/
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#include <bits/c++config.h>
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#include <bits/stl_relops.h>
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#include <bits/stl_pair.h>
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#if __cplusplus >= 201103L
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#include <bits/move.h>
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#include <initializer_list>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<class _Tp>
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class tuple_size;
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template<std::size_t _Int, class _Tp>
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class tuple_element;
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// Various functions which give std::pair a tuple-like interface.
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template<class _Tp1, class _Tp2>
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struct tuple_size<std::pair<_Tp1, _Tp2>>
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: public integral_constant<std::size_t, 2> { };
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template<class _Tp1, class _Tp2>
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struct tuple_element<0, std::pair<_Tp1, _Tp2>>
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{ typedef _Tp1 type; };
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template<class _Tp1, class _Tp2>
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struct tuple_element<1, std::pair<_Tp1, _Tp2>>
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{ typedef _Tp2 type; };
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template<std::size_t _Int>
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struct __pair_get;
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template<>
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struct __pair_get<0>
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{
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template<typename _Tp1, typename _Tp2>
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static constexpr _Tp1&
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__get(std::pair<_Tp1, _Tp2>& __pair) noexcept
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{ return __pair.first; }
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template<typename _Tp1, typename _Tp2>
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static constexpr _Tp1&&
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__move_get(std::pair<_Tp1, _Tp2>&& __pair) noexcept
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{ return std::forward<_Tp1>(__pair.first); }
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template<typename _Tp1, typename _Tp2>
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static constexpr const _Tp1&
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__const_get(const std::pair<_Tp1, _Tp2>& __pair) noexcept
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{ return __pair.first; }
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};
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template<>
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struct __pair_get<1>
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{
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template<typename _Tp1, typename _Tp2>
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static constexpr _Tp2&
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__get(std::pair<_Tp1, _Tp2>& __pair) noexcept
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{ return __pair.second; }
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template<typename _Tp1, typename _Tp2>
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static constexpr _Tp2&&
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__move_get(std::pair<_Tp1, _Tp2>&& __pair) noexcept
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{ return std::forward<_Tp2>(__pair.second); }
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template<typename _Tp1, typename _Tp2>
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static constexpr const _Tp2&
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__const_get(const std::pair<_Tp1, _Tp2>& __pair) noexcept
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{ return __pair.second; }
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};
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template<std::size_t _Int, class _Tp1, class _Tp2>
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constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
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get(std::pair<_Tp1, _Tp2>& __in) noexcept
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{ return __pair_get<_Int>::__get(__in); }
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template<std::size_t _Int, class _Tp1, class _Tp2>
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constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&&
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get(std::pair<_Tp1, _Tp2>&& __in) noexcept
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{ return __pair_get<_Int>::__move_get(std::move(__in)); }
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template<std::size_t _Int, class _Tp1, class _Tp2>
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constexpr const typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&
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get(const std::pair<_Tp1, _Tp2>& __in) noexcept
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{ return __pair_get<_Int>::__const_get(__in); }
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#endif
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#endif /* _GLIBCXX_UTILITY */
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