| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___ITERATOR_ACCESS_H |
| #define _LIBCPP___ITERATOR_ACCESS_H |
| |
| #include <__config> |
| #include <cstddef> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Tp, size_t _Np> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| _Tp* |
| begin(_Tp (&__array)[_Np]) |
| { |
| return __array; |
| } |
| |
| template <class _Tp, size_t _Np> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| _Tp* |
| end(_Tp (&__array)[_Np]) |
| { |
| return __array + _Np; |
| } |
| |
| #if !defined(_LIBCPP_CXX03_LANG) |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 |
| auto |
| begin(_Cp& __c) -> decltype(__c.begin()) |
| { |
| return __c.begin(); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 |
| auto |
| begin(const _Cp& __c) -> decltype(__c.begin()) |
| { |
| return __c.begin(); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 |
| auto |
| end(_Cp& __c) -> decltype(__c.end()) |
| { |
| return __c.end(); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 |
| auto |
| end(const _Cp& __c) -> decltype(__c.end()) |
| { |
| return __c.end(); |
| } |
| |
| #if _LIBCPP_STD_VER > 11 |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| auto cbegin(const _Cp& __c) -> decltype(_VSTD::begin(__c)) |
| { |
| return _VSTD::begin(__c); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| auto cend(const _Cp& __c) -> decltype(_VSTD::end(__c)) |
| { |
| return _VSTD::end(__c); |
| } |
| |
| #endif |
| |
| |
| #else // defined(_LIBCPP_CXX03_LANG) |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY |
| typename _Cp::iterator |
| begin(_Cp& __c) |
| { |
| return __c.begin(); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY |
| typename _Cp::const_iterator |
| begin(const _Cp& __c) |
| { |
| return __c.begin(); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY |
| typename _Cp::iterator |
| end(_Cp& __c) |
| { |
| return __c.end(); |
| } |
| |
| template <class _Cp> |
| _LIBCPP_INLINE_VISIBILITY |
| typename _Cp::const_iterator |
| end(const _Cp& __c) |
| { |
| return __c.end(); |
| } |
| |
| #endif // !defined(_LIBCPP_CXX03_LANG) |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ITERATOR_ACCESS_H |