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 2181ad6265SDimitry Andric #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 2281ad6265SDimitry Andric 23fe6060f1SDimitry Andric template <class _Arg1, class _Arg2, class _Result> 24*cb14a3feSDimitry Andric struct _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binary_function { 25fe6060f1SDimitry Andric typedef _Arg1 first_argument_type; 26fe6060f1SDimitry Andric typedef _Arg2 second_argument_type; 27fe6060f1SDimitry Andric typedef _Result result_type; 28fe6060f1SDimitry Andric }; 29fe6060f1SDimitry Andric 3081ad6265SDimitry Andric #endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 3181ad6265SDimitry Andric 32*cb14a3feSDimitry Andric template <class _Arg1, class _Arg2, class _Result> 33*cb14a3feSDimitry Andric struct __binary_function_keep_layout_base { 3481ad6265SDimitry Andric #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS) 3581ad6265SDimitry Andric using first_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg1; 3681ad6265SDimitry Andric using second_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg2; 3781ad6265SDimitry Andric using result_type _LIBCPP_DEPRECATED_IN_CXX17 = _Result; 3881ad6265SDimitry Andric #endif 3981ad6265SDimitry Andric }; 4081ad6265SDimitry Andric 4181ad6265SDimitry Andric #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 4281ad6265SDimitry Andric _LIBCPP_DIAGNOSTIC_PUSH 4381ad6265SDimitry Andric _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations") 4481ad6265SDimitry Andric template <class _Arg1, class _Arg2, class _Result> 4581ad6265SDimitry Andric using __binary_function = binary_function<_Arg1, _Arg2, _Result>; 4681ad6265SDimitry Andric _LIBCPP_DIAGNOSTIC_POP 4781ad6265SDimitry Andric #else 4881ad6265SDimitry Andric template <class _Arg1, class _Arg2, class _Result> 4981ad6265SDimitry Andric using __binary_function = __binary_function_keep_layout_base<_Arg1, _Arg2, _Result>; 5081ad6265SDimitry Andric #endif 5181ad6265SDimitry Andric 52fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 53fe6060f1SDimitry Andric 54fe6060f1SDimitry Andric #endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H 55