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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_REVERSE_ACCESS_H11#define _LIBCPP___ITERATOR_REVERSE_ACCESS_H12 13#include <__config>14#include <__iterator/reverse_iterator.h>15#include <initializer_list>16 17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)18# pragma GCC system_header19#endif20 21_LIBCPP_BEGIN_NAMESPACE_STD22 23#if _LIBCPP_STD_VER >= 1424 25template <class _Tp, size_t _Np>26_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<_Tp*> rbegin(_Tp (&__array)[_Np]) {27 return reverse_iterator<_Tp*>(__array + _Np);28}29 30template <class _Tp, size_t _Np>31_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<_Tp*> rend(_Tp (&__array)[_Np]) {32 return reverse_iterator<_Tp*>(__array);33}34 35template <class _Ep>36_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<const _Ep*> rbegin(initializer_list<_Ep> __il) {37 return reverse_iterator<const _Ep*>(__il.end());38}39 40template <class _Ep>41_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<const _Ep*> rend(initializer_list<_Ep> __il) {42 return reverse_iterator<const _Ep*>(__il.begin());43}44 45template <class _Cp>46_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rbegin(_Cp& __c) -> decltype(__c.rbegin()) {47 return __c.rbegin();48}49 50template <class _Cp>51_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rbegin(const _Cp& __c) -> decltype(__c.rbegin()) {52 return __c.rbegin();53}54 55template <class _Cp>56_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rend(_Cp& __c) -> decltype(__c.rend()) {57 return __c.rend();58}59 60template <class _Cp>61_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rend(const _Cp& __c) -> decltype(__c.rend()) {62 return __c.rend();63}64 65template <class _Cp>66_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto crbegin(const _Cp& __c) -> decltype(std::rbegin(__c)) {67 return std::rbegin(__c);68}69 70template <class _Cp>71_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto crend(const _Cp& __c) -> decltype(std::rend(__c)) {72 return std::rend(__c);73}74 75#endif // _LIBCPP_STD_VER >= 1476 77_LIBCPP_END_NAMESPACE_STD78 79#endif // _LIBCPP___ITERATOR_REVERSE_ACCESS_H80