Kaido Kert | 788710a | 2023-06-05 07:50:22 -0700 | [diff] [blame] | 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-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP___ITERATOR_DATA_H |
| 11 | #define _LIBCPP___ITERATOR_DATA_H |
| 12 | |
| 13 | #include <__config> |
| 14 | #include <cstddef> |
| 15 | #include <initializer_list> |
| 16 | |
| 17 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 18 | # pragma GCC system_header |
| 19 | #endif |
| 20 | |
| 21 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 22 | |
Kaido Kert | 56d7c4e | 2024-04-13 12:59:27 -0700 | [diff] [blame] | 23 | #if _LIBCPP_STD_VER >= 17 |
Kaido Kert | 788710a | 2023-06-05 07:50:22 -0700 | [diff] [blame] | 24 | |
| 25 | template <class _Cont> constexpr |
| 26 | _LIBCPP_INLINE_VISIBILITY |
| 27 | auto data(_Cont& __c) |
| 28 | _NOEXCEPT_(noexcept(__c.data())) |
| 29 | -> decltype (__c.data()) |
| 30 | { return __c.data(); } |
| 31 | |
| 32 | template <class _Cont> constexpr |
| 33 | _LIBCPP_INLINE_VISIBILITY |
| 34 | auto data(const _Cont& __c) |
| 35 | _NOEXCEPT_(noexcept(__c.data())) |
| 36 | -> decltype (__c.data()) |
| 37 | { return __c.data(); } |
| 38 | |
| 39 | template <class _Tp, size_t _Sz> |
| 40 | _LIBCPP_INLINE_VISIBILITY |
| 41 | constexpr _Tp* data(_Tp (&__array)[_Sz]) noexcept { return __array; } |
| 42 | |
| 43 | template <class _Ep> |
| 44 | _LIBCPP_INLINE_VISIBILITY |
| 45 | constexpr const _Ep* data(initializer_list<_Ep> __il) noexcept { return __il.begin(); } |
| 46 | |
| 47 | #endif |
| 48 | |
| 49 | _LIBCPP_END_NAMESPACE_STD |
| 50 | |
| 51 | #endif // _LIBCPP___ITERATOR_DATA_H |