stl_raw_storage_iter.h
Go to the documentation of this file.
// -*- C++ -*-
// Copyright (C) 2001-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/*
*
* 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 bits/stl_raw_storage_iter.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{memory}
*/
#ifndef _STL_RAW_STORAGE_ITERATOR_H
#define _STL_RAW_STORAGE_ITERATOR_H 1
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/**
* This iterator class lets algorithms store their results into
* uninitialized memory.
*/
template <class _OutputIterator, class _Tp>
class raw_storage_iterator
: public iterator<output_iterator_tag, void, void, void, void>
{
protected:
_OutputIterator _M_iter;
public:
explicit
raw_storage_iterator(_OutputIterator __x)
: _M_iter(__x) {}
raw_storage_iterator&
operator*() { return *this; }
raw_storage_iterator&
operator=(const _Tp& __element)
{
std::_Construct(std::__addressof(*_M_iter), __element);
return *this;
}
#if __cplusplus >= 201103L
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 2127. Move-construction with raw_storage_iterator
raw_storage_iterator&
operator=(_Tp&& __element)
{
std::_Construct(std::__addressof(*_M_iter), std::move(__element));
return *this;
}
#endif
raw_storage_iterator&
operator++()
{
++_M_iter;
return *this;
}
raw_storage_iterator
operator++(int)
{
raw_storage_iterator __tmp = *this;
++_M_iter;
return __tmp;
}
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 2454. Add raw_storage_iterator::base() member
_OutputIterator base() const { return _M_iter; }
};
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif
std::__addressof
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
Definition: move.h:49
std::move
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
Definition: move.h:104
std
ISO C++ entities toplevel namespace is std.
std::_Construct
constexpr void _Construct(_Tp *__p, _Args &&... __args)
Definition: stl_construct.h:109
std::iterator
Common iterator class.
Definition: stl_iterator_base_types.h:128
std::raw_storage_iterator
Definition: stl_raw_storage_iter.h:70