| // <range_access.h> -*- C++ -*- |
| |
| // Copyright (C) 2010-2015 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // Under Section 7 of GPL version 3, you are granted additional |
| // permissions described in the GCC Runtime Library Exception, version |
| // 3.1, as published by the Free Software Foundation. |
| |
| // You should have received a copy of the GNU General Public License and |
| // a copy of the GCC Runtime Library Exception along with this program; |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| // <http://www.gnu.org/licenses/>. |
| |
| /** @file bits/range_access.h |
| * This is an internal header file, included by other library headers. |
| * Do not attempt to use it directly. @headername{iterator} |
| */ |
| |
| #ifndef _GLIBCXX_RANGE_ACCESS_H |
| #define _GLIBCXX_RANGE_ACCESS_H 1 |
| |
| #pragma GCC system_header |
| |
| #if __cplusplus >= 201103L |
| #include <initializer_list> |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| /** |
| * @brief Return an iterator pointing to the first element of |
| * the container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| begin(_Container& __cont) -> decltype(__cont.begin()) |
| { return __cont.begin(); } |
| |
| /** |
| * @brief Return an iterator pointing to the first element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| begin(const _Container& __cont) -> decltype(__cont.begin()) |
| { return __cont.begin(); } |
| |
| /** |
| * @brief Return an iterator pointing to one past the last element of |
| * the container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| end(_Container& __cont) -> decltype(__cont.end()) |
| { return __cont.end(); } |
| |
| /** |
| * @brief Return an iterator pointing to one past the last element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| end(const _Container& __cont) -> decltype(__cont.end()) |
| { return __cont.end(); } |
| |
| /** |
| * @brief Return an iterator pointing to the first element of the array. |
| * @param __arr Array. |
| */ |
| template<class _Tp, size_t _Nm> |
| inline _GLIBCXX14_CONSTEXPR _Tp* |
| begin(_Tp (&__arr)[_Nm]) |
| { return __arr; } |
| |
| /** |
| * @brief Return an iterator pointing to one past the last element |
| * of the array. |
| * @param __arr Array. |
| */ |
| template<class _Tp, size_t _Nm> |
| inline _GLIBCXX14_CONSTEXPR _Tp* |
| end(_Tp (&__arr)[_Nm]) |
| { return __arr + _Nm; } |
| |
| #if __cplusplus >= 201402L |
| |
| template<typename _Tp> class valarray; |
| // These overloads must be declared for cbegin and cend to use them. |
| template<typename _Tp> _Tp* begin(valarray<_Tp>&); |
| template<typename _Tp> const _Tp* begin(const valarray<_Tp>&); |
| template<typename _Tp> _Tp* end(valarray<_Tp>&); |
| template<typename _Tp> const _Tp* end(const valarray<_Tp>&); |
| |
| /** |
| * @brief Return an iterator pointing to the first element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline constexpr auto |
| cbegin(const _Container& __cont) noexcept(noexcept(std::begin(__cont))) |
| -> decltype(std::begin(__cont)) |
| { return std::begin(__cont); } |
| |
| /** |
| * @brief Return an iterator pointing to one past the last element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline constexpr auto |
| cend(const _Container& __cont) noexcept(noexcept(std::end(__cont))) |
| -> decltype(std::end(__cont)) |
| { return std::end(__cont); } |
| |
| /** |
| * @brief Return a reverse iterator pointing to the last element of |
| * the container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| rbegin(_Container& __cont) -> decltype(__cont.rbegin()) |
| { return __cont.rbegin(); } |
| |
| /** |
| * @brief Return a reverse iterator pointing to the last element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| rbegin(const _Container& __cont) -> decltype(__cont.rbegin()) |
| { return __cont.rbegin(); } |
| |
| /** |
| * @brief Return a reverse iterator pointing one past the first element of |
| * the container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| rend(_Container& __cont) -> decltype(__cont.rend()) |
| { return __cont.rend(); } |
| |
| /** |
| * @brief Return a reverse iterator pointing one past the first element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| rend(const _Container& __cont) -> decltype(__cont.rend()) |
| { return __cont.rend(); } |
| |
| /** |
| * @brief Return a reverse iterator pointing to the last element of |
| * the array. |
| * @param __arr Array. |
| */ |
| template<class _Tp, size_t _Nm> |
| inline reverse_iterator<_Tp*> |
| rbegin(_Tp (&__arr)[_Nm]) |
| { return reverse_iterator<_Tp*>(__arr + _Nm); } |
| |
| /** |
| * @brief Return a reverse iterator pointing one past the first element of |
| * the array. |
| * @param __arr Array. |
| */ |
| template<class _Tp, size_t _Nm> |
| inline reverse_iterator<_Tp*> |
| rend(_Tp (&__arr)[_Nm]) |
| { return reverse_iterator<_Tp*>(__arr); } |
| |
| /** |
| * @brief Return a reverse iterator pointing to the last element of |
| * the initializer_list. |
| * @param __il initializer_list. |
| */ |
| template<class _Tp> |
| inline reverse_iterator<const _Tp*> |
| rbegin(initializer_list<_Tp> __il) |
| { return reverse_iterator<const _Tp*>(__il.end()); } |
| |
| /** |
| * @brief Return a reverse iterator pointing one past the first element of |
| * the initializer_list. |
| * @param __il initializer_list. |
| */ |
| template<class _Tp> |
| inline reverse_iterator<const _Tp*> |
| rend(initializer_list<_Tp> __il) |
| { return reverse_iterator<const _Tp*>(__il.begin()); } |
| |
| /** |
| * @brief Return a reverse iterator pointing to the last element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| crbegin(const _Container& __cont) -> decltype(std::rbegin(__cont)) |
| { return std::rbegin(__cont); } |
| |
| /** |
| * @brief Return a reverse iterator pointing one past the first element of |
| * the const container. |
| * @param __cont Container. |
| */ |
| template<class _Container> |
| inline auto |
| crend(const _Container& __cont) -> decltype(std::rend(__cont)) |
| { return std::rend(__cont); } |
| |
| #endif // C++14 |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
| |
| #endif // C++11 |
| |
| #endif // _GLIBCXX_RANGE_ACCESS_H |