1 files changed, 38 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/is_heap.h b/contrib/llvm-project/libcxx/include/__algorithm/is_heap.h
new file mode 100644
index 000000000000..0d2d43c2c3ab
--- /dev/null
+++ b/contrib/llvm-project/libcxx/include/__algorithm/is_heap.h
@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+// 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_IS_HEAP_H
+#define _LIBCPP___ALGORITHM_IS_HEAP_H
+
+#include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
+#include <__algorithm/is_heap_until.h>
+#include <__config>
+#include <__iterator/iterator_traits.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _RandomAccessIterator, class _Compare>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
+is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) {
+  return std::__is_heap_until(__first, __last, static_cast<__comp_ref_type<_Compare> >(__comp)) == __last;
+}
+
+template <class _RandomAccessIterator>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
+is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last) {
+  return std::is_heap(__first, __last, __less<>());
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___ALGORITHM_IS_HEAP_H