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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___MEMORY_RAW_STORAGE_ITERATOR_H
#define _LIBCPP___MEMORY_RAW_STORAGE_ITERATOR_H
#include <__config>
#include <__iterator/iterator.h>
#include <__iterator/iterator_traits.h>
#include <__memory/addressof.h>
#include <__utility/move.h>
#include <cstddef>
#include <new>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_RAW_STORAGE_ITERATOR)
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <class _OutputIterator, class _Tp>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 raw_storage_iterator
# if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES)
: public iterator<output_iterator_tag, void, void, void, void>
# endif
{
_LIBCPP_SUPPRESS_DEPRECATED_POP
private:
_OutputIterator __x_;
public:
typedef output_iterator_tag iterator_category;
typedef void value_type;
# if _LIBCPP_STD_VER >= 20
typedef ptrdiff_t difference_type;
# else
typedef void difference_type;
# endif
typedef void pointer;
typedef void reference;
_LIBCPP_HIDE_FROM_ABI explicit raw_storage_iterator(_OutputIterator __x) : __x_(__x) {}
_LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator*() { return *this; }
_LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator=(const _Tp& __element) {
::new ((void*)std::addressof(*__x_)) _Tp(__element);
return *this;
}
# if _LIBCPP_STD_VER >= 14
_LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator=(_Tp&& __element) {
::new ((void*)std::addressof(*__x_)) _Tp(std::move(__element));
return *this;
}
# endif
_LIBCPP_HIDE_FROM_ABI raw_storage_iterator& operator++() {
++__x_;
return *this;
}
_LIBCPP_HIDE_FROM_ABI raw_storage_iterator operator++(int) {
raw_storage_iterator __t(*this);
++__x_;
return __t;
}
# if _LIBCPP_STD_VER >= 14
_LIBCPP_HIDE_FROM_ABI _OutputIterator base() const { return __x_; }
# endif
};
#endif // _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_RAW_STORAGE_ITERATOR)
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP___MEMORY_RAW_STORAGE_ITERATOR_H
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