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1// -*- C++ -*-2//===----------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___ITERATOR_ITERATOR_H11#define _LIBCPP___ITERATOR_ITERATOR_H12 13#include <__config>14#include <__cstddef/ptrdiff_t.h>15 16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)17# pragma GCC system_header18#endif19 20_LIBCPP_BEGIN_NAMESPACE_STD21 22template <class _Category, class _Tp, class _Distance = ptrdiff_t, class _Pointer = _Tp*, class _Reference = _Tp&>23struct _LIBCPP_DEPRECATED_IN_CXX17 iterator {24 typedef _Tp value_type;25 typedef _Distance difference_type;26 typedef _Pointer pointer;27 typedef _Reference reference;28 typedef _Category iterator_category;29};30 31_LIBCPP_SUPPRESS_DEPRECATED_PUSH32#ifdef _LIBCPP_ABI_NO_ITERATOR_BASES33template <class _Derived>34struct __no_iterator_base {};35 36template <class _Derived, class _Category, class _Tp, class _Distance, class _Pointer, class _Reference>37using __iterator_base _LIBCPP_NODEBUG = __no_iterator_base<_Derived>;38#else39template <class _Derived, class _Category, class _Tp, class _Distance, class _Pointer, class _Reference>40using __iterator_base _LIBCPP_NODEBUG = iterator<_Category, _Tp, _Distance, _Pointer, _Reference>;41#endif42_LIBCPP_SUPPRESS_DEPRECATED_POP43 44_LIBCPP_END_NAMESPACE_STD45 46#endif // _LIBCPP___ITERATOR_ITERATOR_H47