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_BINARY_FUNCTION_H 11 #define _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H 12 13 #include <__config> 14 15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 16 # pragma GCC system_header 17 #endif 18 19 _LIBCPP_BEGIN_NAMESPACE_STD 20 21 #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 22 23 template <class _Arg1, class _Arg2, class _Result> 24 struct _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binary_function { 25 typedef _Arg1 first_argument_type; 26 typedef _Arg2 second_argument_type; 27 typedef _Result result_type; 28 }; 29 30 #endif // _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 31 32 template <class _Arg1, class _Arg2, class _Result> 33 struct __binary_function_keep_layout_base { 34 #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS) 35 using first_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg1; 36 using second_argument_type _LIBCPP_DEPRECATED_IN_CXX17 = _Arg2; 37 using result_type _LIBCPP_DEPRECATED_IN_CXX17 = _Result; 38 #endif 39 }; 40 41 #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION) 42 _LIBCPP_DIAGNOSTIC_PUSH 43 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations") 44 template <class _Arg1, class _Arg2, class _Result> 45 using __binary_function = binary_function<_Arg1, _Arg2, _Result>; 46 _LIBCPP_DIAGNOSTIC_POP 47 #else 48 template <class _Arg1, class _Arg2, class _Result> 49 using __binary_function = __binary_function_keep_layout_base<_Arg1, _Arg2, _Result>; 50 #endif 51 52 _LIBCPP_END_NAMESPACE_STD 53 54 #endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H 55