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1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP___CXX03___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
11#define _LIBCPP___CXX03___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
12
13#include <__cxx03/__config>
14#include <__cxx03/__functional/binary_function.h>
15
16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17# pragma GCC system_header
18#endif
19
20_LIBCPP_BEGIN_NAMESPACE_STD
21
22template <class _Arg1, class _Arg2, class _Result>
23class _LIBCPP_TEMPLATE_VIS pointer_to_binary_function : public __binary_function<_Arg1, _Arg2, _Result> {
24 _Result (*__f_)(_Arg1, _Arg2);
25
26public:
27 _LIBCPP_HIDE_FROM_ABI explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2)) : __f_(__f) {}
28 _LIBCPP_HIDE_FROM_ABI _Result operator()(_Arg1 __x, _Arg2 __y) const { return __f_(__x, __y); }
29};
30
31template <class _Arg1, class _Arg2, class _Result>
32inline _LIBCPP_HIDE_FROM_ABI pointer_to_binary_function<_Arg1, _Arg2, _Result> ptr_fun(_Result (*__f)(_Arg1, _Arg2)) {
33 return pointer_to_binary_function<_Arg1, _Arg2, _Result>(__f);
34}
35
36_LIBCPP_END_NAMESPACE_STD
37
38#endif // _LIBCPP___CXX03___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
39

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source code of libcxx/include/__cxx03/__functional/pointer_to_binary_function.h