freebsd-dev/contrib/libstdc++/include/tr1/tuple_defs.h

115 lines
4.3 KiB
C++

// 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