# tuple_defs.h

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    00001 // class template tuple -*- C++ -*-
    00002
    00003 // Copyright (C) 2004, 2005 Free Software Foundation, Inc.
    00004 //
    00005 // This file is part of the GNU ISO C++ Library.  This library is free
    00006 // software; you can redistribute it and/or modify it under the
    00007 // terms of the GNU General Public License as published by the
    00008 // Free Software Foundation; either version 2, or (at your option)
    00009 // any later version.
    00010
    00011 // This library is distributed in the hope that it will be useful,
    00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00014 // GNU General Public License for more details.
    00015
    00016 // You should have received a copy of the GNU General Public License along
    00017 // with this library; see the file COPYING.  If not, write to the Free
    00018 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
    00019 // USA.
    00020
    00021 // As a special exception, you may use this file as part of a free software
    00022 // library without restriction.  Specifically, if other files instantiate
    00023 // templates or use macros or inline functions from this file, or you compile
    00024 // this file and link it with other files to produce an executable, this
    00025 // file does not by itself cause the resulting executable to be covered by
    00026 // the GNU General Public License.  This exception does not however
    00027 // invalidate any other reasons why the executable file might be covered by
    00028 // the GNU General Public License.
    00029
    00030 /** @file tr1/tuple_defs.h
    00031  *  This is an internal header file, included by other library headers.
    00032  *  You should not attempt to use it directly.
    00033  */
    00034
    00035 #ifndef _GLIBCXX_REPEAT_HEADER
    00036 #  define _GLIBCXX_REPEAT_HEADER "tuple_defs.h"
    00037 #  include "repeat.h"
    00038 #  undef _GLIBCXX_REPEAT_HEADER
    00039 #endif
    00040
    00041 #ifdef _GLIBCXX_LAST_INCLUDE
    00042 // Chris Jefferson <chris@bubblescope.net>
    00043    template<_GLIBCXX_TEMPLATE_PARAMS_NULL_CLASS> class tuple;
    00044
    00045    // Returns a const reference to the ith element of a tuple.
    00046    // Any const or non-const ref elements are returned with their original type.
    00047    template<int __i, _GLIBCXX_TEMPLATE_PARAMS>
    00048    typename __add_ref<typename tuple_element<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::type>::type
    00049    get(tuple<_GLIBCXX_TEMPLATE_ARGS>& __t)
    00050    {
    00051      return __get_helper<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::get_value(__t);
    00052    }
    00053
    00054    template<int __i, _GLIBCXX_TEMPLATE_PARAMS>
    00055    typename __add_c_ref<typename tuple_element<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::type>::type
    00056    get(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t)
    00057    {
    00058      return __get_helper<__i, tuple<_GLIBCXX_TEMPLATE_ARGS> >::get_value(__t);
    00059    }
    00060
    00061  template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U>
    00062  bool
    00063  operator==(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t,
    00064             const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u)
    00065  {
    00066    typedef tuple<_GLIBCXX_TEMPLATE_ARGS> _Tp;
    00067    typedef tuple<_GLIBCXX_TEMPLATE_ARGS_U> _Up;
    00068    return __tuple_compare<tuple_size<_Tp>::value - tuple_size<_Tp>::value, 0,
    00069                           tuple_size<_Tp>::value, _Tp, _Up>::__eq(__t, __u);
    00070  }
    00071
    00072  template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U>
    00073  bool
    00074  operator<(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t,
    00075            const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u)
    00076  {
    00077    typedef tuple<_GLIBCXX_TEMPLATE_ARGS> _Tp;
    00078    typedef tuple<_GLIBCXX_TEMPLATE_ARGS_U> _Up;
    00079    return __tuple_compare<tuple_size<_Tp>::value - tuple_size<_Tp>::value, 0,
    00080                           tuple_size<_Tp>::value, _Tp, _Up>::__less(__t, __u);
    00081  }
    00082
    00083  template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U>
    00084  bool
    00085  operator!=(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t,
    00086             const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u)
    00087  { return !(__t == __u); }
    00088
    00089  template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U>
    00090  bool
    00091  operator>(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t,
    00092            const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u)
    00093  { return __u < __t; }
    00094
    00095  template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U>
    00096  bool
    00097  operator<=(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t,
    00098             const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u)
    00099  { return !(__u < __t); }
    00100
    00101  template<_GLIBCXX_TEMPLATE_PARAMS, _GLIBCXX_TEMPLATE_PARAMS_U>
    00102  bool
    00103  operator>=(const tuple<_GLIBCXX_TEMPLATE_ARGS>& __t,
    00104             const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __u)
    00105  { return !(__t < __u); }
    00106
    00107  template<_GLIBCXX_TEMPLATE_PARAMS_NULL_CLASS>
    00108    struct __stripped_tuple_type
    00109    {
    00110      typedef tuple<_GLIBCXX_TEMPLATE_ARGS_STRIPPED>      __type;
    00111    };
    00112
    00113 #endif
    00114