1e78f53d1SNikolas Klauser // -*- C++ -*- 2e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 3e78f53d1SNikolas Klauser // 4e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 6e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7e78f53d1SNikolas Klauser // 8e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 9e78f53d1SNikolas Klauser 10*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___ITERATOR_DATA_H 11*ce777190SNikolas Klauser #define _LIBCPP___CXX03___ITERATOR_DATA_H 12e78f53d1SNikolas Klauser 1373fbae83SNikolas Klauser #include <__cxx03/__config> 1473fbae83SNikolas Klauser #include <__cxx03/cstddef> 1573fbae83SNikolas Klauser #include <__cxx03/initializer_list> 16e78f53d1SNikolas Klauser 17e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18e78f53d1SNikolas Klauser # pragma GCC system_header 19e78f53d1SNikolas Klauser #endif 20e78f53d1SNikolas Klauser 21e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 22e78f53d1SNikolas Klauser 23e78f53d1SNikolas Klauser #if _LIBCPP_STD_VER >= 17 24e78f53d1SNikolas Klauser 25e78f53d1SNikolas Klauser template <class _Cont> 26e78f53d1SNikolas Klauser constexpr _LIBCPP_HIDE_FROM_ABI auto data(_Cont& __c) noexcept(noexcept(__c.data())) -> decltype(__c.data()) { 27e78f53d1SNikolas Klauser return __c.data(); 28e78f53d1SNikolas Klauser } 29e78f53d1SNikolas Klauser 30e78f53d1SNikolas Klauser template <class _Cont> 31e78f53d1SNikolas Klauser constexpr _LIBCPP_HIDE_FROM_ABI auto data(const _Cont& __c) noexcept(noexcept(__c.data())) -> decltype(__c.data()) { 32e78f53d1SNikolas Klauser return __c.data(); 33e78f53d1SNikolas Klauser } 34e78f53d1SNikolas Klauser 35e78f53d1SNikolas Klauser template <class _Tp, size_t _Sz> 36e78f53d1SNikolas Klauser _LIBCPP_HIDE_FROM_ABI constexpr _Tp* data(_Tp (&__array)[_Sz]) noexcept { 37e78f53d1SNikolas Klauser return __array; 38e78f53d1SNikolas Klauser } 39e78f53d1SNikolas Klauser 40e78f53d1SNikolas Klauser template <class _Ep> 41e78f53d1SNikolas Klauser _LIBCPP_HIDE_FROM_ABI constexpr const _Ep* data(initializer_list<_Ep> __il) noexcept { 42e78f53d1SNikolas Klauser return __il.begin(); 43e78f53d1SNikolas Klauser } 44e78f53d1SNikolas Klauser 45e78f53d1SNikolas Klauser #endif 46e78f53d1SNikolas Klauser 47e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 48e78f53d1SNikolas Klauser 49*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___ITERATOR_DATA_H 50