1 files changed, 84 insertions, 0 deletions

diff --git a/contrib/llvm-project/libcxx/include/__algorithm/ranges_replace_copy.h b/contrib/llvm-project/libcxx/include/__algorithm/ranges_replace_copy.h
new file mode 100644
index 000000000000..19ef635d6f15
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+++ b/contrib/llvm-project/libcxx/include/__algorithm/ranges_replace_copy.h
@@ -0,0 +1,84 @@
+//===----------------------------------------------------------------------===//
+//
+// 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___ALGORITHM_RANGES_REPLACE_COPY_H
+#define _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H
+
+#include <__algorithm/in_out_result.h>
+#include <__algorithm/make_projected.h>
+#include <__algorithm/replace_copy.h>
+#include <__config>
+#include <__functional/identity.h>
+#include <__functional/invoke.h>
+#include <__functional/ranges_operations.h>
+#include <__iterator/concepts.h>
+#include <__iterator/iterator_traits.h>
+#include <__iterator/projected.h>
+#include <__ranges/access.h>
+#include <__ranges/concepts.h>
+#include <__ranges/dangling.h>
+#include <__utility/forward.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace ranges {
+
+template <class _InIter, class _OutIter>
+using replace_copy_result = in_out_result<_InIter, _OutIter>;
+
+namespace __replace_copy {
+
+struct __fn {
+
+  template <input_iterator _InIter, sentinel_for<_InIter> _Sent, class _Type1, class _Type2,
+            output_iterator<const _Type2&> _OutIter, class _Proj = identity>
+  requires indirectly_copyable<_InIter, _OutIter> &&
+           indirect_binary_predicate<ranges::equal_to, projected<_InIter, _Proj>, const _Type1*>
+  _LIBCPP_HIDE_FROM_ABI constexpr
+  replace_copy_result<_InIter, _OutIter>
+  operator()(_InIter __first, _Sent __last, _OutIter __result, const _Type1& __old_value, const _Type2& __new_value,
+               _Proj __proj = {}) const {
+    // TODO: implement
+    (void)__first; (void)__last; (void)__result; (void)__old_value; (void)__new_value; (void)__proj;
+    return {};
+  }
+
+  template <input_range _Range, class _Type1, class _Type2, output_iterator<const _Type2&> _OutIter,
+            class _Proj = identity>
+  requires indirectly_copyable<iterator_t<_Range>, _OutIter> &&
+           indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Range>, _Proj>, const _Type1*>
+  _LIBCPP_HIDE_FROM_ABI constexpr
+  replace_copy_result<borrowed_iterator_t<_Range>, _OutIter>
+  operator()(_Range&& __range, _OutIter __result, const _Type1& __old_value, const _Type2& __new_value,
+               _Proj __proj = {}) const {
+    // TODO: implement
+    (void)__range; (void)__result; (void)__old_value; (void)__new_value; (void)__proj;
+    return {};
+  }
+
+};
+
+} // namespace __replace_copy
+
+inline namespace __cpo {
+  inline constexpr auto replace_copy = __replace_copy::__fn{};
+} // namespace __cpo
+} // namespace ranges
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
+
+#endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_H