X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Finclude%2Fstd%2Futility;h=11efd74335b7623964949100252619ce23e6b3a9;hb=16951c585f65685c01892a67e315612dead57c83;hp=787e7997340a8eccd5a0ea05ec8d6a18ab61c52c;hpb=01dd2c6cba3e1ada73b23bd8db38b4e6a88d7e75;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libstdc++-v3/include/std/utility b/libstdc++-v3/include/std/utility index 787e7997340..11efd74335b 100644 --- a/libstdc++-v3/include/std/utility +++ b/libstdc++-v3/include/std/utility @@ -1,11 +1,13 @@ -// -*- C++ -*- std header. +// -*- C++ -*- -// Copyright (C) 2001 Free Software Foundation, Inc. +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, +// 2010, 2011 +// 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 2, or (at your option) +// 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, @@ -13,20 +15,148 @@ // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, -// USA. - -// As a special exception, you may use this file as part of a free software -// library without restriction. Specifically, if other files instantiate -// templates or use macros or inline functions from this file, or you compile -// this file and link it with other files to produce an executable, this -// file does not by itself cause the resulting executable to be covered by -// the GNU General Public License. This exception does not however -// invalidate any other reasons why the executable file might be covered by -// the GNU General Public License. - -#ifndef _CPP_UTILITY -#include +// 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 +// . + +/* + * + * Copyright (c) 1994 + * Hewlett-Packard Company + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Hewlett-Packard Company makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + * + * Copyright (c) 1996,1997 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +/** @file include/utility + * This is a Standard C++ Library header. + */ + +#ifndef _GLIBCXX_UTILITY +#define _GLIBCXX_UTILITY 1 + +#pragma GCC system_header + +/** + * @defgroup utilities Utilities + * + * Components deemed generally useful. Includes pair, tuple, + * forward/move helpers, ratio, function object, metaprogramming and + * type traits, time, date, and memory functions. + */ + +#include +#include +#include + +#ifdef __GXX_EXPERIMENTAL_CXX0X__ +#include +#include + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + template + class tuple_size; + + template + class tuple_element; + + // Various functions which give std::pair a tuple-like interface. + template + struct tuple_size> + : public integral_constant { }; + + template + struct tuple_element<0, std::pair<_Tp1, _Tp2>> + { typedef _Tp1 type; }; + + template + struct tuple_element<1, std::pair<_Tp1, _Tp2>> + { typedef _Tp2 type; }; + + template + struct __pair_get; + + template<> + struct __pair_get<0> + { + template + static constexpr _Tp1& + __get(std::pair<_Tp1, _Tp2>& __pair) noexcept + { return __pair.first; } + + template + static constexpr _Tp1&& + __move_get(std::pair<_Tp1, _Tp2>&& __pair) noexcept + { return std::forward<_Tp1>(__pair.first); } + + template + static constexpr const _Tp1& + __const_get(const std::pair<_Tp1, _Tp2>& __pair) noexcept + { return __pair.first; } + }; + + template<> + struct __pair_get<1> + { + template + static constexpr _Tp2& + __get(std::pair<_Tp1, _Tp2>& __pair) noexcept + { return __pair.second; } + + template + static constexpr _Tp2&& + __move_get(std::pair<_Tp1, _Tp2>&& __pair) noexcept + { return std::forward<_Tp2>(__pair.second); } + + template + static constexpr const _Tp2& + __const_get(const std::pair<_Tp1, _Tp2>& __pair) noexcept + { return __pair.second; } + }; + + template + constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type& + get(std::pair<_Tp1, _Tp2>& __in) noexcept + { return __pair_get<_Int>::__get(__in); } + + template + constexpr typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type&& + get(std::pair<_Tp1, _Tp2>&& __in) noexcept + { return __pair_get<_Int>::__move_get(std::move(__in)); } + + template + constexpr const typename tuple_element<_Int, std::pair<_Tp1, _Tp2>>::type& + get(const std::pair<_Tp1, _Tp2>& __in) noexcept + { return __pair_get<_Int>::__const_get(__in); } + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + #endif + +#endif /* _GLIBCXX_UTILITY */