| // class template tuple -*- C++ -*- |
| |
| // Copyright (C) 2004, 2005 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) |
| // 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. |
| |
| // 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // 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. |
| |
| /** @file tr1/tuple_defs.h |
| * This is an internal header file, included by other library headers. |
| * You should not attempt to use it directly. |
| */ |
| |
| #ifndef _GLIBCXX_REPEAT_HEADER |
| # define _GLIBCXX_REPEAT_HEADER "tuple_defs.h" |
| # include "repeat.h" |
| # undef _GLIBCXX_REPEAT_HEADER |
| #endif |
| |
| #ifdef _GLIBCXX_LAST_INCLUDE |
| // Chris Jefferson <chris@bubblescope.net> |
| template<_GLIBCXX_TEMPLATE_PARAMS_NULL_CLASS> class tuple; |
| |
| // Returns a const reference to the ith element of a tuple. |
| // Any const or non-const ref elements are returned with their original type. |
| template<int __i, _GLIBCXX_TEMPLATE_PARAMS> |
| typename __add_ref<typename tuple_element<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::type>::type |
| get(tuple<_GLIBCXX_TEMPLATE_ARGS>& __t) |
| { |
| return __get_helper<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::get_value(__t); |
| } |
| |
| template<int __i, _GLIBCXX_TEMPLATE_PARAMS> |
| typename __add_c_ref<typename tuple_element<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::type>::type |
| get(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t) |
| { |
| return __get_helper<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::get_value(__t); |
| } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U> |
| bool |
| operator==(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t, |
| const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u) |
| { |
| typedef tuple<_GLIBCXX_TEMPLATE_ARGS> _Tp; |
| typedef tuple<_GLIBCXX_TEMPLATE_ARGS_U> _Up; |
| return __tuple_compare<tuple_size<_Tp>::value - tuple_size<_Tp>::value, 0, |
| tuple_size<_Tp>::value, _Tp, _Up>::__eq(__t, __u); |
| } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U> |
| bool |
| operator<(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t, |
| const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u) |
| { |
| typedef tuple<_GLIBCXX_TEMPLATE_ARGS> _Tp; |
| typedef tuple<_GLIBCXX_TEMPLATE_ARGS_U> _Up; |
| return __tuple_compare<tuple_size<_Tp>::value - tuple_size<_Tp>::value, 0, |
| tuple_size<_Tp>::value, _Tp, _Up>::__less(__t, __u); |
| } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U> |
| bool |
| operator!=(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t, |
| const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u) |
| { return !(__t == __u); } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U> |
| bool |
| operator>(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t, |
| const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u) |
| { return __u < __t; } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U> |
| bool |
| operator<=(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t, |
| const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u) |
| { return !(__u < __t); } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U> |
| bool |
| operator>=(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t, |
| const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u) |
| { return !(__t < __u); } |
| |
| template<_GLIBCXX_TEMPLATE_PARAMS_NULL_CLASS> |
| struct __stripped_tuple_type |
| { |
| typedef tuple<_GLIBCXX_TEMPLATE_ARGS_STRIPPED> __type; |
| }; |
| |
| #endif |
| |