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___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
11 #define _LIBCPP___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
12
13 #include <__config>
14 #include <__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
22 #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS)
23
24 template <class _Arg1, class _Arg2, class _Result>
25 class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 pointer_to_binary_function
26 : public binary_function<_Arg1, _Arg2, _Result>
27 {
28 _Result (*__f_)(_Arg1, _Arg2);
29 public:
pointer_to_binary_function(_Result (* __f)(_Arg1,_Arg2))30 _LIBCPP_INLINE_VISIBILITY explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2))
31 : __f_(__f) {}
operator()32 _LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg1 __x, _Arg2 __y) const
33 {return __f_(__x, __y);}
34 };
35
36 template <class _Arg1, class _Arg2, class _Result>
37 _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY
38 pointer_to_binary_function<_Arg1,_Arg2,_Result>
ptr_fun(_Result (* __f)(_Arg1,_Arg2))39 ptr_fun(_Result (*__f)(_Arg1,_Arg2))
40 {return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f);}
41
42 #endif
43
44 _LIBCPP_END_NAMESPACE_STD
45
46 #endif // _LIBCPP___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H
47