| // -*- C++ -*- |
| //===--------------------------- ranges -----------------------------------===// |
| // |
| // 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_RANGES |
| #define _LIBCPP_RANGES |
| |
| /* |
| |
| #include <compare> // see [compare.syn] |
| #include <initializer_list> // see [initializer.list.syn] |
| #include <iterator> // see [iterator.synopsis] |
| |
| namespace std::ranges { |
| inline namespace unspecified { |
| // [range.access], range access |
| inline constexpr unspecified begin = unspecified; |
| inline constexpr unspecified end = unspecified; |
| inline constexpr unspecified cbegin = unspecified; |
| inline constexpr unspecified cend = unspecified; |
| |
| inline constexpr unspecified size = unspecified; |
| inline constexpr unspecified ssize = unspecified; |
| } |
| |
| // [range.range], ranges |
| template<class T> |
| concept range = see below; |
| |
| template<class T> |
| inline constexpr bool enable_borrowed_range = false; |
| |
| template<class T> |
| using iterator_t = decltype(ranges::begin(declval<T&>())); |
| template<class T> |
| using iterator_t = decltype(ranges::begin(declval<T&>())); |
| template<range R> |
| using sentinel_t = decltype(ranges::end(declval<R&>())); |
| template<range R> |
| using range_difference_t = iter_difference_t<iterator_t<R>>; |
| template<range R> |
| using range_value_t = iter_value_t<iterator_t<R>>; |
| template<range R> |
| using range_reference_t = iter_reference_t<iterator_t<R>>; |
| template<range R> |
| using range_rvalue_reference_t = iter_rvalue_reference_t<iterator_t<R>>; |
| |
| // [range.view], views |
| template<class T> |
| inline constexpr bool enable_view = ...; |
| |
| struct view_base { }; |
| |
| template<class T> |
| concept view = ...; |
| |
| // [range.refinements], other range refinements |
| template<class T> |
| concept input_range = see below; |
| |
| template<class T> |
| concept forward_range = see below; |
| |
| template<class T> |
| concept bidirectional_range = see below; |
| |
| template <class _Tp> |
| concept common_range = see below; |
| } |
| |
| */ |
| |
| #include <__config> |
| #include <__ranges/access.h> |
| #include <__ranges/concepts.h> |
| #include <__ranges/empty.h> |
| #include <__ranges/enable_borrowed_range.h> |
| #include <__ranges/view.h> |
| #include <__ranges/size.h> |
| #include <compare> // Required by the standard. |
| #include <initializer_list> // Required by the standard. |
| #include <iterator> // Required by the standard. |
| #include <type_traits> |
| #include <version> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) |
| |
| #endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif // _LIBCPP_RANGES |