libstdc++
stl_raw_storage_iter.h
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26 /*
27  *
28  * Copyright (c) 1994
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51 
52 /** @file bits/stl_raw_storage_iter.h
53  * This is an internal header file, included by other library headers.
54  * Do not attempt to use it directly. @headername{memory}
55  */
56 
57 #ifndef _STL_RAW_STORAGE_ITERATOR_H
58 #define _STL_RAW_STORAGE_ITERATOR_H 1
59 
60 namespace std _GLIBCXX_VISIBILITY(default)
61 {
62 _GLIBCXX_BEGIN_NAMESPACE_VERSION
63 
64  /**
65  * This iterator class lets algorithms store their results into
66  * uninitialized memory.
67  */
68  template <class _OutputIterator, class _Tp>
69  class raw_storage_iterator
70  : public iterator<output_iterator_tag, void, void, void, void>
71  {
72  protected:
73  _OutputIterator _M_iter;
74 
75  public:
76  explicit
77  raw_storage_iterator(_OutputIterator __x)
78  : _M_iter(__x) {}
79 
80  raw_storage_iterator&
81  operator*() { return *this; }
82 
83  raw_storage_iterator&
84  operator=(const _Tp& __element)
85  {
86  std::_Construct(std::__addressof(*_M_iter), __element);
87  return *this;
88  }
89 
90  raw_storage_iterator<_OutputIterator, _Tp>&
91  operator++()
92  {
93  ++_M_iter;
94  return *this;
95  }
96 
97  raw_storage_iterator<_OutputIterator, _Tp>
98  operator++(int)
99  {
100  raw_storage_iterator<_OutputIterator, _Tp> __tmp = *this;
101  ++_M_iter;
102  return __tmp;
103  }
104  };
105 
106 _GLIBCXX_END_NAMESPACE_VERSION
107 } // namespace
108 
109 #endif