1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___ITERATOR_REVERSE_ACCESS_H 11fe6060f1SDimitry Andric #define _LIBCPP___ITERATOR_REVERSE_ACCESS_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric #include <__iterator/reverse_iterator.h> 15fe6060f1SDimitry Andric #include <cstddef> 16fe6060f1SDimitry Andric #include <initializer_list> 17fe6060f1SDimitry Andric 18fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19fe6060f1SDimitry Andric # pragma GCC system_header 20fe6060f1SDimitry Andric #endif 21fe6060f1SDimitry Andric 22fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 23fe6060f1SDimitry Andric 2406c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 14 25fe6060f1SDimitry Andric 26fe6060f1SDimitry Andric template <class _Tp, size_t _Np> rbegin(_Tp (& __array)[_Np])27*cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<_Tp*> rbegin(_Tp (&__array)[_Np]) { 28fe6060f1SDimitry Andric return reverse_iterator<_Tp*>(__array + _Np); 29fe6060f1SDimitry Andric } 30fe6060f1SDimitry Andric 31fe6060f1SDimitry Andric template <class _Tp, size_t _Np> rend(_Tp (& __array)[_Np])32*cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<_Tp*> rend(_Tp (&__array)[_Np]) { 33fe6060f1SDimitry Andric return reverse_iterator<_Tp*>(__array); 34fe6060f1SDimitry Andric } 35fe6060f1SDimitry Andric 36fe6060f1SDimitry Andric template <class _Ep> rbegin(initializer_list<_Ep> __il)37*cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<const _Ep*> rbegin(initializer_list<_Ep> __il) { 38fe6060f1SDimitry Andric return reverse_iterator<const _Ep*>(__il.end()); 39fe6060f1SDimitry Andric } 40fe6060f1SDimitry Andric 41fe6060f1SDimitry Andric template <class _Ep> rend(initializer_list<_Ep> __il)42*cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reverse_iterator<const _Ep*> rend(initializer_list<_Ep> __il) { 43fe6060f1SDimitry Andric return reverse_iterator<const _Ep*>(__il.begin()); 44fe6060f1SDimitry Andric } 45fe6060f1SDimitry Andric 46fe6060f1SDimitry Andric template <class _Cp> 47*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rbegin(_Cp& __c) -> decltype(__c.rbegin()) { 48fe6060f1SDimitry Andric return __c.rbegin(); 49fe6060f1SDimitry Andric } 50fe6060f1SDimitry Andric 51fe6060f1SDimitry Andric template <class _Cp> 52*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rbegin(const _Cp& __c) -> decltype(__c.rbegin()) { 53fe6060f1SDimitry Andric return __c.rbegin(); 54fe6060f1SDimitry Andric } 55fe6060f1SDimitry Andric 56fe6060f1SDimitry Andric template <class _Cp> 57*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rend(_Cp& __c) -> decltype(__c.rend()) { 58fe6060f1SDimitry Andric return __c.rend(); 59fe6060f1SDimitry Andric } 60fe6060f1SDimitry Andric 61fe6060f1SDimitry Andric template <class _Cp> 62*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto rend(const _Cp& __c) -> decltype(__c.rend()) { 63fe6060f1SDimitry Andric return __c.rend(); 64fe6060f1SDimitry Andric } 65fe6060f1SDimitry Andric 66fe6060f1SDimitry Andric template <class _Cp> 67*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto crbegin(const _Cp& __c) -> decltype(std::rbegin(__c)) { 685f757f3fSDimitry Andric return std::rbegin(__c); 69fe6060f1SDimitry Andric } 70fe6060f1SDimitry Andric 71fe6060f1SDimitry Andric template <class _Cp> 72*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto crend(const _Cp& __c) -> decltype(std::rend(__c)) { 735f757f3fSDimitry Andric return std::rend(__c); 74fe6060f1SDimitry Andric } 75fe6060f1SDimitry Andric 7606c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 14 77fe6060f1SDimitry Andric 78fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 79fe6060f1SDimitry Andric 80fe6060f1SDimitry Andric #endif // _LIBCPP___ITERATOR_REVERSE_ACCESS_H 81