1// -*- C++ -*-
2
3// Copyright (C) 2001-2018 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#if __cplusplus >= 201103L
90 // _GLIBCXX_RESOLVE_LIB_DEFECTS
91 // 2127. Move-construction with raw_storage_iterator
92 raw_storage_iterator&
93 operator=(_Tp&& __element)
94 {
95 std::_Construct(std::__addressof(*_M_iter), std::move(__element));
96 return *this;
97 }
98#endif
99
100 raw_storage_iterator&
101 operator++()
102 {
103 ++_M_iter;
104 return *this;
105 }
106
107 raw_storage_iterator
108 operator++(int)
109 {
110 raw_storage_iterator __tmp = *this;
111 ++_M_iter;
112 return __tmp;
113 }
114
115 // _GLIBCXX_RESOLVE_LIB_DEFECTS
116 // 2454. Add raw_storage_iterator::base() member
117 _OutputIterator base() const { return _M_iter; }
118 };
119
120_GLIBCXX_END_NAMESPACE_VERSION
121} // namespace
122
123#endif
124