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1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___CXX03___MEMORY_RAW_STORAGE_ITERATOR_H
11#define _LIBCPP___CXX03___MEMORY_RAW_STORAGE_ITERATOR_H
12
13#include <__cxx03/__config>
14#include <__cxx03/__iterator/iterator.h>
15#include <__cxx03/__iterator/iterator_traits.h>
16#include <__cxx03/__memory/addressof.h>
17#include <__cxx03/__utility/move.h>
18#include <__cxx03/cstddef>
19#include <__cxx03/new>
20
21#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
22# pragma GCC system_header
23#endif
24
25_LIBCPP_PUSH_MACROS
26#include <__cxx03/__undef_macros>
27
28_LIBCPP_BEGIN_NAMESPACE_STD
29
30_LIBCPP_SUPPRESS_DEPRECATED_PUSH
31template <class _OutputIterator, class _Tp>
32class _LIBCPP_TEMPLATE_VIS raw_storage_iterator : public iterator<output_iterator_tag, void, void, void, void> {
33 _LIBCPP_SUPPRESS_DEPRECATED_POP
34
35private:
36 _OutputIterator __x_;
37
38public:
39 typedef output_iterator_tag iterator_category;
40 typedef void value_type;
41 typedef void difference_type;
42 typedef void pointer;
43 typedef void reference;
44
45 _LIBCPP_HIDE_FROM_ABI explicit raw_storage_iterator(_OutputIterator __x) : __x_(__x) {}
46 _LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator*() { return *this; }
47 _LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator=(const _Tp& __element) {
48 ::new ((void*)std::addressof(*__x_)) _Tp(__element);
49 return *this;
50 }
51 _LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator++() {
52 ++__x_;
53 return *this;
54 }
55 _LIBCPP_HIDE_FROM_ABI raw_storage_iterator operator++(int) {
56 raw_storage_iterator __t(*this);
57 ++__x_;
58 return __t;
59 }
60};
61
62_LIBCPP_END_NAMESPACE_STD
63
64_LIBCPP_POP_MACROS
65
66#endif // _LIBCPP___CXX03___MEMORY_RAW_STORAGE_ITERATOR_H
67

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source code of libcxx/include/__cxx03/__memory/raw_storage_iterator.h