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: 30 _LIBCPP_INLINE_VISIBILITY explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2)) 31 : __f_(__f) {} 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> 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