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// 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, 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.
/** @file
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
// Chris Jefferson <chris@bubblescope.net>
/// @brief class tuple_size
template<_GLIBCXX_TEMPLATE_PARAMS>
struct tuple_size<tuple<_GLIBCXX_TEMPLATE_ARGS> >
{ static const int value = _GLIBCXX_NUM_ARGS; };
template<_GLIBCXX_TEMPLATE_PARAMS>
#ifdef _GLIBCXX_LAST_INCLUDE
class tuple
#else
class tuple<_GLIBCXX_TEMPLATE_ARGS>
#endif
{
_GLIBCXX_BIND_MEMBERS
public:
tuple()
{ }
#if _GLIBCXX_NUM_ARGS == 2
template<typename _U1, typename _U2>
tuple(const std::pair<_U1, _U2>& __u) :
_M_arg1(__u.first), _M_arg2(__u.second)
{ }
template<typename _U1, typename _U2>
tuple&
operator=(const std::pair<_U1, _U2>& __u)
{
_M_arg1 = __u.first;
_M_arg2 = __u.second;
return *this;
}
#endif
#if _GLIBCXX_NUM_ARGS > 0
explicit tuple(_GLIBCXX_TUPLE_ADD_CREF) :
_GLIBCXX_BIND_MEMBERS_INIT
{ }
template<_GLIBCXX_TEMPLATE_PARAMS_U>
tuple(const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __in) :
_GLIBCXX_TUPLE_COPY_INIT
{ }
template<_GLIBCXX_TEMPLATE_PARAMS_U>
tuple&
operator=(const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __in)
{
_GLIBCXX_TUPLE_ASSIGN
return *this;
}
tuple(const tuple& __in) :
_GLIBCXX_TUPLE_COPY_INIT
{ }
#else
tuple(const tuple& __in)
{ }
#endif
tuple&
operator=(const tuple& __in)
{
_GLIBCXX_TUPLE_ASSIGN
return *this;
}
template<int __i, typename __Type>
friend class __get_helper;
template<typename, typename, typename, typename, typename,
typename, typename, typename, typename, typename>
friend class tuple;
};
#ifndef _GLIBCXX_LAST_INCLUDE
template<typename _Tp>
struct __get_helper<_GLIBCXX_NUM_ARGS, _Tp>
{
static typename __add_ref<typename tuple_element<_GLIBCXX_NUM_ARGS,
_Tp>::type>::type
get_value(_Tp& __in)
{ return __in._GLIBCXX_CAT(_M_arg,_GLIBCXX_NUM_ARGS_PLUS_1); }
static typename __add_c_ref<typename tuple_element<_GLIBCXX_NUM_ARGS,
_Tp>::type>::type
get_value(const _Tp& __in)
{ return __in._GLIBCXX_CAT(_M_arg,_GLIBCXX_NUM_ARGS_PLUS_1); }
};
/// @brief class tuple_element
template<typename _T1, typename _T2, typename _T3, typename _T4,
typename _T5, typename _T6, typename _T7, typename _T8,
typename _T9, typename _T10>
struct tuple_element<_GLIBCXX_NUM_ARGS, tuple<_T1, _T2, _T3, _T4,
_T5, _T6, _T7, _T8, _T9,
_T10> >
{ typedef _GLIBCXX_T_NUM_ARGS_PLUS_1 type; };
#endif
#if _GLIBCXX_NUM_ARGS == 0
tuple<>
inline make_tuple()
{ return tuple<>(); }
tuple<>
inline tie()
{ return tuple<>(); }
#else
template<_GLIBCXX_TEMPLATE_PARAMS>
typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::__type
inline make_tuple(_GLIBCXX_PARAMS)
{
return typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::
__type(_GLIBCXX_ARGS);
}
template<_GLIBCXX_TEMPLATE_PARAMS>
tuple<_GLIBCXX_REF_TEMPLATE_ARGS>
inline tie(_GLIBCXX_REF_PARAMS)
{ return make_tuple(_GLIBCXX_REF_WRAP_PARAMS); }
#endif
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