libstdc++
stl_raw_storage_iter.h
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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 
59 namespace 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>
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 
80  operator*() { return *this; }
81 
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
93  operator=(_Tp&& __element)
94  {
95  std::_Construct(std::__addressof(*_M_iter), std::move(__element));
96  return *this;
97  }
98 #endif
99 
101  operator++()
102  {
103  ++_M_iter;
104  return *this;
105  }
106 
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
Common iterator class.
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
Definition: move.h:47
ISO C++ entities toplevel namespace is std.
void _Construct(_T1 *__p, _Args &&... __args)
Definition: stl_construct.h:74