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_ACCESS_H 11fe6060f1SDimitry Andric #define _LIBCPP___ITERATOR_ACCESS_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric #include <cstddef> 15fe6060f1SDimitry Andric 16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17fe6060f1SDimitry Andric # pragma GCC system_header 18fe6060f1SDimitry Andric #endif 19fe6060f1SDimitry Andric 20fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21fe6060f1SDimitry Andric 22fe6060f1SDimitry Andric template <class _Tp, size_t _Np> begin(_Tp (& __array)[_Np])235f757f3fSDimitry Andric_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* begin(_Tp (&__array)[_Np]) _NOEXCEPT { 24fe6060f1SDimitry Andric return __array; 25fe6060f1SDimitry Andric } 26fe6060f1SDimitry Andric 27fe6060f1SDimitry Andric template <class _Tp, size_t _Np> end(_Tp (& __array)[_Np])285f757f3fSDimitry Andric_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* end(_Tp (&__array)[_Np]) _NOEXCEPT { 29fe6060f1SDimitry Andric return __array + _Np; 30fe6060f1SDimitry Andric } 31fe6060f1SDimitry Andric 32fe6060f1SDimitry Andric #if !defined(_LIBCPP_CXX03_LANG) 33fe6060f1SDimitry Andric 34fe6060f1SDimitry Andric template <class _Cp> 35cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto begin(_Cp& __c) -> decltype(__c.begin()) { 36fe6060f1SDimitry Andric return __c.begin(); 37fe6060f1SDimitry Andric } 38fe6060f1SDimitry Andric 39fe6060f1SDimitry Andric template <class _Cp> 40cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto begin(const _Cp& __c) -> decltype(__c.begin()) { 41fe6060f1SDimitry Andric return __c.begin(); 42fe6060f1SDimitry Andric } 43fe6060f1SDimitry Andric 44fe6060f1SDimitry Andric template <class _Cp> 45cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto end(_Cp& __c) -> decltype(__c.end()) { 46fe6060f1SDimitry Andric return __c.end(); 47fe6060f1SDimitry Andric } 48fe6060f1SDimitry Andric 49fe6060f1SDimitry Andric template <class _Cp> 50cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto end(const _Cp& __c) -> decltype(__c.end()) { 51fe6060f1SDimitry Andric return __c.end(); 52fe6060f1SDimitry Andric } 53fe6060f1SDimitry Andric 5406c3fb27SDimitry Andric # if _LIBCPP_STD_VER >= 14 55fe6060f1SDimitry Andric 56fe6060f1SDimitry Andric template <class _Cp> 57*0fca6ea1SDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr auto 58*0fca6ea1SDimitry Andric cbegin(const _Cp& __c) noexcept(noexcept(std::begin(__c))) -> decltype(std::begin(__c)) { 595f757f3fSDimitry Andric return std::begin(__c); 60fe6060f1SDimitry Andric } 61fe6060f1SDimitry Andric 62fe6060f1SDimitry Andric template <class _Cp> 635f757f3fSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr auto cend(const _Cp& __c) noexcept(noexcept(std::end(__c))) -> decltype(std::end(__c)) { 645f757f3fSDimitry Andric return std::end(__c); 65fe6060f1SDimitry Andric } 66fe6060f1SDimitry Andric 67fe6060f1SDimitry Andric # endif 68fe6060f1SDimitry Andric 69fe6060f1SDimitry Andric #else // defined(_LIBCPP_CXX03_LANG) 70fe6060f1SDimitry Andric 71fe6060f1SDimitry Andric template <class _Cp> begin(_Cp & __c)72cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI typename _Cp::iterator begin(_Cp& __c) { 73fe6060f1SDimitry Andric return __c.begin(); 74fe6060f1SDimitry Andric } 75fe6060f1SDimitry Andric 76fe6060f1SDimitry Andric template <class _Cp> begin(const _Cp & __c)77cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI typename _Cp::const_iterator begin(const _Cp& __c) { 78fe6060f1SDimitry Andric return __c.begin(); 79fe6060f1SDimitry Andric } 80fe6060f1SDimitry Andric 81fe6060f1SDimitry Andric template <class _Cp> end(_Cp & __c)82cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI typename _Cp::iterator end(_Cp& __c) { 83fe6060f1SDimitry Andric return __c.end(); 84fe6060f1SDimitry Andric } 85fe6060f1SDimitry Andric 86fe6060f1SDimitry Andric template <class _Cp> end(const _Cp & __c)87cb14a3feSDimitry Andric_LIBCPP_HIDE_FROM_ABI typename _Cp::const_iterator end(const _Cp& __c) { 88fe6060f1SDimitry Andric return __c.end(); 89fe6060f1SDimitry Andric } 90fe6060f1SDimitry Andric 91fe6060f1SDimitry Andric #endif // !defined(_LIBCPP_CXX03_LANG) 92fe6060f1SDimitry Andric 93fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 94fe6060f1SDimitry Andric 95fe6060f1SDimitry Andric #endif // _LIBCPP___ITERATOR_ACCESS_H 96