20 General utilities library [utilities]

20.7 Memory [memory]

20.7.10 Raw storage iterator [storage.iterator]

1

raw_storage_iterator is provided to enable algorithms to store their results into uninitialized memory. The template parameter OutputIterator is required to have its operator* return an object for which operator& is defined and returns a pointer to T, and is also required to satisfy the requirements of an output iterator ([output.iterators]).

namespace std {
  template <class OutputIterator, class T>
  class raw_storage_iterator
    : public iterator<output_iterator_tag,void,void,void,void> {
  public:
    explicit raw_storage_iterator(OutputIterator x);

    raw_storage_iterator& operator*();
    raw_storage_iterator& operator=(const T& element);
    raw_storage_iterator& operator++();
    raw_storage_iterator  operator++(int);
  };
}

explicit raw_storage_iterator(OutputIterator x);

2

Effects: Initializes the iterator to point to the same value to which x points.

raw_storage_iterator& operator*();

3

Returns: *this

raw_storage_iterator& operator=(const T& element);

4

Effects: Constructs a value from element at the location to which the iterator points.

5

Returns: A reference to the iterator.

raw_storage_iterator& operator++();

6

Effects: Pre-increment: advances the iterator and returns a reference to the updated iterator.

raw_storage_iterator operator++(int);

7

Effects: Post-increment: advances the iterator and returns the old value of the iterator.