stl_raw_storage_iter.h

// -*- C++ -*-

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//
// This file is part of the GNU ISO C++ Library.  This library is free
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/*
 *
 * Copyright (c) 1994
 * Hewlett-Packard Company
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Hewlett-Packard Company makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 *
 * Copyright (c) 1996
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 */

/** @file stl_raw_storage_iter.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _STL_RAW_STORAGE_ITERATOR_H
#define _STL_RAW_STORAGE_ITERATOR_H 1

namespace std {

  /**
   *  This iterator class lets algorithms store their results into
   *  uninitialized memory.
  */
  template <class _ForwardIterator, class _Tp>
    class raw_storage_iterator
    : public iterator<output_iterator_tag, void, void, void, void>
    {
    protected:
      _ForwardIterator _M_iter;

    public:
      explicit
      raw_storage_iterator(_ForwardIterator __x)
      : _M_iter(__x) {}

      raw_storage_iterator&
      operator*() { return *this; }

      raw_storage_iterator&
      operator=(const _Tp& __element)
      {
	std::_Construct(&*_M_iter, __element);
	return *this;
      }

      raw_storage_iterator<_ForwardIterator, _Tp>&
      operator++()
      {
	++_M_iter;
	return *this;
      }

      raw_storage_iterator<_ForwardIterator, _Tp>
      operator++(int)
      {
	raw_storage_iterator<_ForwardIterator, _Tp> __tmp = *this;
	++_M_iter;
	return __tmp;
      }
    };

} // namespace std

#endif