1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H 11fe6060f1SDimitry Andric #define _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric 15fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16fe6060f1SDimitry Andric # pragma GCC system_header 17fe6060f1SDimitry Andric #endif 18fe6060f1SDimitry Andric 19fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 20fe6060f1SDimitry Andric 21*81ad6265SDimitry Andric #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 22*81ad6265SDimitry Andric 23fe6060f1SDimitry Andric template <class _Arg1, class _Arg2, class _Result> 24*81ad6265SDimitry Andric struct _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binary_function 25fe6060f1SDimitry Andric { 26fe6060f1SDimitry Andric typedef _Arg1 first_argument_type; 27fe6060f1SDimitry Andric typedef _Arg2 second_argument_type; 28fe6060f1SDimitry Andric typedef _Result result_type; 29fe6060f1SDimitry Andric }; 30fe6060f1SDimitry Andric 31*81ad6265SDimitry Andric #endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 32*81ad6265SDimitry Andric 33*81ad6265SDimitry Andric template <class _Arg1, class _Arg2, class _Result> struct __binary_function_keep_layout_base { 34*81ad6265SDimitry Andric #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS) 35*81ad6265SDimitry Andric using first_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg1; 36*81ad6265SDimitry Andric using second_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg2; 37*81ad6265SDimitry Andric using result_type _LIBCPP_DEPRECATED_IN_CXX17 = _Result; 38*81ad6265SDimitry Andric #endif 39*81ad6265SDimitry Andric }; 40*81ad6265SDimitry Andric 41*81ad6265SDimitry Andric #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 42*81ad6265SDimitry Andric _LIBCPP_DIAGNOSTIC_PUSH 43*81ad6265SDimitry Andric _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations") 44*81ad6265SDimitry Andric template <class _Arg1, class _Arg2, class _Result> 45*81ad6265SDimitry Andric using __binary_function = binary_function<_Arg1, _Arg2, _Result>; 46*81ad6265SDimitry Andric _LIBCPP_DIAGNOSTIC_POP 47*81ad6265SDimitry Andric #else 48*81ad6265SDimitry Andric template <class _Arg1, class _Arg2, class _Result> 49*81ad6265SDimitry Andric using __binary_function = __binary_function_keep_layout_base<_Arg1, _Arg2, _Result>; 50*81ad6265SDimitry Andric #endif 51*81ad6265SDimitry Andric 52fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 53fe6060f1SDimitry Andric 54fe6060f1SDimitry Andric #endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H 55