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 _Result (*__f_)(_Arg1, _Arg2); 28 29 public: 30 _LIBCPP_HIDE_FROM_ABI explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2)) : __f_(__f) {} 31 _LIBCPP_HIDE_FROM_ABI _Result operator()(_Arg1 __x, _Arg2 __y) const { return __f_(__x, __y); } 32 }; 33 34 template <class _Arg1, class _Arg2, class _Result> 35 _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_HIDE_FROM_ABI pointer_to_binary_function<_Arg1, _Arg2, _Result> 36 ptr_fun(_Result (*__f)(_Arg1, _Arg2)) { 37 return pointer_to_binary_function<_Arg1, _Arg2, _Result>(__f); 38 } 39 40 #endif 41 42 _LIBCPP_END_NAMESPACE_STD 43 44 #endif // _LIBCPP___FUNCTIONAL_POINTER_TO_BINARY_FUNCTION_H 45