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___CXX03___FUNCTIONAL_BINARY_FUNCTION_H 11 #define _LIBCPP___CXX03___FUNCTIONAL_BINARY_FUNCTION_H 12 13 #include <__cxx03/__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 template <class _Arg1, class _Arg2, class _Result> 22 struct _LIBCPP_TEMPLATE_VIS binary_function { 23 typedef _Arg1 first_argument_type; 24 typedef _Arg2 second_argument_type; 25 typedef _Result result_type; 26 }; 27 28 template <class _Arg1, class _Arg2, class _Result> 29 struct __binary_function_keep_layout_base { 30 using first_argument_type = _Arg1; 31 using second_argument_type = _Arg2; 32 using result_type = _Result; 33 }; 34 35 _LIBCPP_DIAGNOSTIC_PUSH 36 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wdeprecated-declarations") 37 template <class _Arg1, class _Arg2, class _Result> 38 using __binary_function = binary_function<_Arg1, _Arg2, _Result>; 39 _LIBCPP_DIAGNOSTIC_POP 40 41 _LIBCPP_END_NAMESPACE_STD 42 43 #endif // _LIBCPP___CXX03___FUNCTIONAL_BINARY_FUNCTION_H 44