Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 2 of 2.

1 files changed, 114 insertions, 114 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/non_propagating_cache.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/non_propagating_cache.h
index 68b81be9ab..456e08d8c9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/non_propagating_cache.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/non_propagating_cache.h
@@ -1,114 +1,114 @@
-// -*- 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_NON_PROPAGATING_CACHE_H 
-#define _LIBCPP___RANGES_NON_PROPAGATING_CACHE_H 
- 
-#include <__config> 
-#include <__iterator/concepts.h>        // indirectly_readable 
-#include <__iterator/iterator_traits.h> // iter_reference_t 
-#include <__memory/addressof.h> 
-#include <__utility/forward.h> 
-#include <concepts>                     // constructible_from 
-#include <optional> 
-#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_RANGES) 
- 
-namespace ranges { 
-  // __non_propagating_cache is a helper type that allows storing an optional value in it, 
-  // but which does not copy the source's value when it is copy constructed/assigned to, 
-  // and which resets the source's value when it is moved-from. 
-  // 
-  // This type is used as an implementation detail of some views that need to cache the 
-  // result of `begin()` in order to provide an amortized O(1) begin() method. Typically, 
-  // we don't want to propagate the value of the cache upon copy because the cached iterator 
-  // may refer to internal details of the source view. 
-  template<class _Tp> 
-    requires is_object_v<_Tp> 
-  class _LIBCPP_TEMPLATE_VIS __non_propagating_cache { 
-    struct __from_tag { }; 
-    struct __forward_tag { }; 
- 
-    // This helper class is needed to perform copy and move elision when 
-    // constructing the contained type from an iterator. 
-    struct __wrapper { 
-      template<class ..._Args> 
-      constexpr explicit __wrapper(__forward_tag, _Args&& ...__args) : __t_(_VSTD::forward<_Args>(__args)...) { } 
-      template<class _Fn> 
-      constexpr explicit __wrapper(__from_tag, _Fn const& __f) : __t_(__f()) { } 
-      _Tp __t_; 
-    }; 
- 
-    optional<__wrapper> __value_ = nullopt; 
- 
-  public: 
-    _LIBCPP_HIDE_FROM_ABI __non_propagating_cache() = default; 
- 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr __non_propagating_cache(__non_propagating_cache const&) noexcept 
-      : __value_(nullopt) 
-    { } 
- 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr __non_propagating_cache(__non_propagating_cache&& __other) noexcept 
-      : __value_(nullopt) 
-    { 
-      __other.__value_.reset(); 
-    } 
- 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr __non_propagating_cache& operator=(__non_propagating_cache const& __other) noexcept { 
-      if (this != _VSTD::addressof(__other)) { 
-        __value_.reset(); 
-      } 
-      return *this; 
-    } 
- 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr __non_propagating_cache& operator=(__non_propagating_cache&& __other) noexcept { 
-      __value_.reset(); 
-      __other.__value_.reset(); 
-      return *this; 
-    } 
- 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr _Tp& operator*() { return __value_->__t_; } 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr _Tp const& operator*() const { return __value_->__t_; } 
- 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr bool __has_value() const { return __value_.has_value(); } 
- 
-    template<class _Fn> 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr _Tp& __emplace_from(_Fn const& __f) { 
-      return __value_.emplace(__from_tag{}, __f).__t_; 
-    } 
- 
-    template<class ..._Args> 
-    _LIBCPP_HIDE_FROM_ABI 
-    constexpr _Tp& __emplace(_Args&& ...__args) { 
-      return __value_.emplace(__forward_tag{}, _VSTD::forward<_Args>(__args)...).__t_; 
-    } 
-  }; 
- 
-  struct __empty_cache { }; 
-} // namespace ranges 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___RANGES_NON_PROPAGATING_CACHE_H 
+// -*- 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_NON_PROPAGATING_CACHE_H
+#define _LIBCPP___RANGES_NON_PROPAGATING_CACHE_H
+
+#include <__config>
+#include <__iterator/concepts.h>        // indirectly_readable
+#include <__iterator/iterator_traits.h> // iter_reference_t
+#include <__memory/addressof.h>
+#include <__utility/forward.h>
+#include <concepts>                     // constructible_from
+#include <optional>
+#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_RANGES)
+
+namespace ranges {
+  // __non_propagating_cache is a helper type that allows storing an optional value in it,
+  // but which does not copy the source's value when it is copy constructed/assigned to,
+  // and which resets the source's value when it is moved-from.
+  //
+  // This type is used as an implementation detail of some views that need to cache the
+  // result of `begin()` in order to provide an amortized O(1) begin() method. Typically,
+  // we don't want to propagate the value of the cache upon copy because the cached iterator
+  // may refer to internal details of the source view.
+  template<class _Tp>
+    requires is_object_v<_Tp>
+  class _LIBCPP_TEMPLATE_VIS __non_propagating_cache {
+    struct __from_tag { };
+    struct __forward_tag { };
+
+    // This helper class is needed to perform copy and move elision when
+    // constructing the contained type from an iterator.
+    struct __wrapper {
+      template<class ..._Args>
+      constexpr explicit __wrapper(__forward_tag, _Args&& ...__args) : __t_(_VSTD::forward<_Args>(__args)...) { }
+      template<class _Fn>
+      constexpr explicit __wrapper(__from_tag, _Fn const& __f) : __t_(__f()) { }
+      _Tp __t_;
+    };
+
+    optional<__wrapper> __value_ = nullopt;
+
+  public:
+    _LIBCPP_HIDE_FROM_ABI __non_propagating_cache() = default;
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr __non_propagating_cache(__non_propagating_cache const&) noexcept
+      : __value_(nullopt)
+    { }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr __non_propagating_cache(__non_propagating_cache&& __other) noexcept
+      : __value_(nullopt)
+    {
+      __other.__value_.reset();
+    }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr __non_propagating_cache& operator=(__non_propagating_cache const& __other) noexcept {
+      if (this != _VSTD::addressof(__other)) {
+        __value_.reset();
+      }
+      return *this;
+    }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr __non_propagating_cache& operator=(__non_propagating_cache&& __other) noexcept {
+      __value_.reset();
+      __other.__value_.reset();
+      return *this;
+    }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr _Tp& operator*() { return __value_->__t_; }
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr _Tp const& operator*() const { return __value_->__t_; }
+
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr bool __has_value() const { return __value_.has_value(); }
+
+    template<class _Fn>
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr _Tp& __emplace_from(_Fn const& __f) {
+      return __value_.emplace(__from_tag{}, __f).__t_;
+    }
+
+    template<class ..._Args>
+    _LIBCPP_HIDE_FROM_ABI
+    constexpr _Tp& __emplace(_Args&& ...__args) {
+      return __value_.emplace(__forward_tag{}, _VSTD::forward<_Args>(__args)...).__t_;
+    }
+  };
+
+  struct __empty_cache { };
+} // namespace ranges
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___RANGES_NON_PROPAGATING_CACHE_H