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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [include/] [tr1_impl/] [utility] - Rev 516
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// TR1 utility -*- C++ -*-
// Copyright (C) 2007, 2008, 2009 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_impl/utility
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE_TR1
template<class _Tp>
class tuple_size;
#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
template<std::size_t _Int, class _Tp>
#else
template<int _Int, class _Tp>
#endif
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> >
#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
{ static const std::size_t value = 2; };
#else
{ static const int value = 2; };
#endif
template<class _Tp1, class _Tp2>
#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
const std::size_t
#else
const int
#endif
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; };
#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
template<std::size_t _Int>
#else
template<int _Int>
#endif
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; }
};
#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
template<std::size_t _Int, class _Tp1, class _Tp2>
#else
template<int _Int, class _Tp1, class _Tp2>
#endif
inline typename tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&
get(std::pair<_Tp1, _Tp2>& __in)
{ return __pair_get<_Int>::__get(__in); }
#ifdef _GLIBCXX_INCLUDE_AS_CXX0X
template<std::size_t _Int, class _Tp1, class _Tp2>
#else
template<int _Int, class _Tp1, class _Tp2>
#endif
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_TR1
}