| 0,0 → 1,108 |
|---|
| // TR1 utility -*- C++ -*- |
| |
| // Copyright (C) 2004-2013 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file tr1/utility |
| * This is a TR1 C++ Library header. |
| */ |
| |
| #ifndef _GLIBCXX_TR1_UTILITY |
| #define _GLIBCXX_TR1_UTILITY 1 |
| |
| #pragma GCC system_header |
| |
| #include <bits/c++config.h> |
| #include <bits/stl_relops.h> |
| #include <bits/stl_pair.h> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| namespace tr1 |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| template<class _Tp> |
| class tuple_size; |
| |
| template<int _Int, class _Tp> |
| class tuple_element; |
| |
| // Various functions which give std::pair a tuple-like interface. |
| template<class _Tp1, class _Tp2> |
| struct tuple_size<std::pair<_Tp1, _Tp2> > |
| { static const int value = 2; }; |
| |
| template<class _Tp1, class _Tp2> |
| const int |
| tuple_size<std::pair<_Tp1, _Tp2> >::value; |
| |
| template<class _Tp1, class _Tp2> |
| struct tuple_element<0, std::pair<_Tp1, _Tp2> > |
| { typedef _Tp1 type; }; |
| |
| template<class _Tp1, class _Tp2> |
| struct tuple_element<1, std::pair<_Tp1, _Tp2> > |
| { typedef _Tp2 type; }; |
| |
| template<int _Int> |
| struct __pair_get; |
| |
| template<> |
| struct __pair_get<0> |
| { |
| template<typename _Tp1, typename _Tp2> |
| static _Tp1& __get(std::pair<_Tp1, _Tp2>& __pair) |
| { return __pair.first; } |
| |
| template<typename _Tp1, typename _Tp2> |
| static const _Tp1& __const_get(const std::pair<_Tp1, _Tp2>& __pair) |
| { return __pair.first; } |
| }; |
| |
| template<> |
| struct __pair_get<1> |
| { |
| template<typename _Tp1, typename _Tp2> |
| static _Tp2& __get(std::pair<_Tp1, _Tp2>& __pair) |
| { return __pair.second; } |
| |
| template<typename _Tp1, typename _Tp2> |
| static const _Tp2& __const_get(const std::pair<_Tp1, _Tp2>& __pair) |
| { return __pair.second; } |
| }; |
| |
| template<int _Int, class _Tp1, class _Tp2> |
| inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& |
| get(std::pair<_Tp1, _Tp2>& __in) |
| { return __pair_get<_Int>::__get(__in); } |
| |
| template<int _Int, class _Tp1, class _Tp2> |
| inline const typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& |
| get(const std::pair<_Tp1, _Tp2>& __in) |
| { return __pair_get<_Int>::__const_get(__in); } |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } |
| } |
| |
| #endif // _GLIBCXX_TR1_UTILITY |