Use ym2 for sysincls generating

1 files changed, 86 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxxmsvc/include/__ranges/ref_view.h b/contrib/libs/cxxsupp/libcxxmsvc/include/__ranges/ref_view.h
new file mode 100644
index 0000000000..255a468606
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxxmsvc/include/__ranges/ref_view.h
@@ -0,0 +1,86 @@
+// -*- 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___RANGES_REF_VIEW_H
+#define _LIBCPP___RANGES_REF_VIEW_H
+
+#include <__config>
+#include <__iterator/concepts.h>
+#include <__iterator/incrementable_traits.h>
+#include <__iterator/iterator_traits.h>
+#include <__memory/addressof.h>
+#include <__ranges/access.h>
+#include <__ranges/concepts.h>
+#include <__ranges/data.h>
+#include <__ranges/empty.h>
+#include <__ranges/enable_borrowed_range.h>
+#include <__ranges/size.h>
+#include <__ranges/view_interface.h>
+#include <__utility/forward.h>
+#include <concepts>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if !defined(_LIBCPP_HAS_NO_CONCEPTS) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+namespace ranges {
+  template<range _Range>
+    requires is_object_v<_Range>
+  class ref_view : public view_interface<ref_view<_Range>> {
+    _Range *__range_;
+
+    static void __fun(_Range&);
+    static void __fun(_Range&&) = delete;
+
+public:
+    template<class _Tp>
+      requires __different_from<_Tp, ref_view> &&
+        convertible_to<_Tp, _Range&> && requires { __fun(declval<_Tp>()); }
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr ref_view(_Tp&& __t)
+      : __range_(std::addressof(static_cast<_Range&>(std::forward<_Tp>(__t))))
+    {}
+
+    _LIBCPP_HIDE_FROM_ABI constexpr _Range& base() const { return *__range_; }
+
+    _LIBCPP_HIDE_FROM_ABI constexpr iterator_t<_Range> begin() const { return ranges::begin(*__range_); }
+    _LIBCPP_HIDE_FROM_ABI constexpr sentinel_t<_Range> end() const { return ranges::end(*__range_); }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr bool empty() const
+      requires requires { ranges::empty(*__range_); }
+    { return ranges::empty(*__range_); }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr auto size() const
+      requires sized_range<_Range>
+    { return ranges::size(*__range_); }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr auto data() const
+      requires contiguous_range<_Range>
+    { return ranges::data(*__range_); }
+  };
+
+  template<class _Range>
+  ref_view(_Range&) -> ref_view<_Range>;
+
+  template<class _Tp>
+  inline constexpr bool enable_borrowed_range<ref_view<_Tp>> = true;
+} // namespace ranges
+
+#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS) && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___RANGES_REF_VIEW_H