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_DATA_H 11fe6060f1SDimitry Andric #define _LIBCPP___ITERATOR_DATA_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric #include <cstddef> 15fe6060f1SDimitry Andric #include <initializer_list> 16fe6060f1SDimitry Andric 17fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18fe6060f1SDimitry Andric # pragma GCC system_header 19fe6060f1SDimitry Andric #endif 20fe6060f1SDimitry Andric 21fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 22fe6060f1SDimitry Andric 2306c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 17 24fe6060f1SDimitry Andric 25cb14a3feSDimitry Andric template <class _Cont> 26*0fca6ea1SDimitry Andric constexpr _LIBCPP_HIDE_FROM_ABI auto data(_Cont& __c) noexcept(noexcept(__c.data())) -> decltype(__c.data()) { 27cb14a3feSDimitry Andric return __c.data(); 28cb14a3feSDimitry Andric } 29fe6060f1SDimitry Andric 30cb14a3feSDimitry Andric template <class _Cont> 31*0fca6ea1SDimitry Andric constexpr _LIBCPP_HIDE_FROM_ABI auto data(const _Cont& __c) noexcept(noexcept(__c.data())) -> decltype(__c.data()) { 32cb14a3feSDimitry Andric return __c.data(); 33cb14a3feSDimitry Andric } 34fe6060f1SDimitry Andric 35fe6060f1SDimitry Andric template <class _Tp, size_t _Sz> 36cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr _Tp* data(_Tp (&__array)[_Sz]) noexcept { 37cb14a3feSDimitry Andric return __array; 38cb14a3feSDimitry Andric } 39fe6060f1SDimitry Andric 40fe6060f1SDimitry Andric template <class _Ep> 41cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr const _Ep* data(initializer_list<_Ep> __il) noexcept { 42cb14a3feSDimitry Andric return __il.begin(); 43cb14a3feSDimitry Andric } 44fe6060f1SDimitry Andric 45fe6060f1SDimitry Andric #endif 46fe6060f1SDimitry Andric 47fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 48fe6060f1SDimitry Andric 49fe6060f1SDimitry Andric #endif // _LIBCPP___ITERATOR_DATA_H 50