stl_raw_storage_iter.h revision 1.1.1.1.8.1
1// -*- C++ -*-
2
3// Copyright (C) 2001-2013 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25/*
26 *
27 * Copyright (c) 1994
28 * Hewlett-Packard Company
29 *
30 * Permission to use, copy, modify, distribute and sell this software
31 * and its documentation for any purpose is hereby granted without fee,
32 * provided that the above copyright notice appear in all copies and
33 * that both that copyright notice and this permission notice appear
34 * in supporting documentation.  Hewlett-Packard Company makes no
35 * representations about the suitability of this software for any
36 * purpose.  It is provided "as is" without express or implied warranty.
37 *
38 *
39 * Copyright (c) 1996
40 * Silicon Graphics Computer Systems, Inc.
41 *
42 * Permission to use, copy, modify, distribute and sell this software
43 * and its documentation for any purpose is hereby granted without fee,
44 * provided that the above copyright notice appear in all copies and
45 * that both that copyright notice and this permission notice appear
46 * in supporting documentation.  Silicon Graphics makes no
47 * representations about the suitability of this software for any
48 * purpose.  It is provided "as is" without express or implied warranty.
49 */
50
51/** @file bits/stl_raw_storage_iter.h
52 *  This is an internal header file, included by other library headers.
53 *  Do not attempt to use it directly. @headername{memory}
54 */
55
56#ifndef _STL_RAW_STORAGE_ITERATOR_H
57#define _STL_RAW_STORAGE_ITERATOR_H 1
58
59namespace std _GLIBCXX_VISIBILITY(default)
60{
61_GLIBCXX_BEGIN_NAMESPACE_VERSION
62
63  /**
64   *  This iterator class lets algorithms store their results into
65   *  uninitialized memory.
66  */
67  template <class _OutputIterator, class _Tp>
68    class raw_storage_iterator
69    : public iterator<output_iterator_tag, void, void, void, void>
70    {
71    protected:
72      _OutputIterator _M_iter;
73
74    public:
75      explicit
76      raw_storage_iterator(_OutputIterator __x)
77      : _M_iter(__x) {}
78
79      raw_storage_iterator&
80      operator*() { return *this; }
81
82      raw_storage_iterator&
83      operator=(const _Tp& __element)
84      {
85	std::_Construct(std::__addressof(*_M_iter), __element);
86	return *this;
87      }
88
89      raw_storage_iterator<_OutputIterator, _Tp>&
90      operator++()
91      {
92	++_M_iter;
93	return *this;
94      }
95
96      raw_storage_iterator<_OutputIterator, _Tp>
97      operator++(int)
98      {
99	raw_storage_iterator<_OutputIterator, _Tp> __tmp = *this;
100	++_M_iter;
101	return __tmp;
102      }
103    };
104
105_GLIBCXX_END_NAMESPACE_VERSION
106} // namespace
107
108#endif
109