Merge branch 'llvm13'

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/libcxx/include/__functional/pointer_to_binary_function.h b/lib/libcxx/include/__functional/pointer_to_binary_function.h
new file mode 100644
index 0000000000..d4a6c1674a
--- /dev/null
+++ b/lib/libcxx/include/__functional/pointer_to_binary_function.h
@@ -0,0 +1,46 @@
+// -*- 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___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
+#define _LIBCPP___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
+
+#include <__config>
+#include <__functional/binary_function.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
+
+template <class _Arg1, class _Arg2, class _Result>
+class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 pointer_to_binary_function
+    : public binary_function<_Arg1, _Arg2, _Result>
+{
+    _Result (*__f_)(_Arg1, _Arg2);
+public:
+    _LIBCPP_INLINE_VISIBILITY explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2))
+        : __f_(__f) {}
+    _LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg1 __x, _Arg2 __y) const
+        {return __f_(__x, __y);}
+};
+
+template <class _Arg1, class _Arg2, class _Result>
+_LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
+pointer_to_binary_function<_Arg1,_Arg2,_Result>
+ptr_fun(_Result (*__f)(_Arg1,_Arg2))
+    {return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f);}
+
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H