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 template <class _Arg1, class _Arg2, class _Result>
22 struct _LIBCPP_TEMPLATE_VIS binary_function
23 {
24     typedef _Arg1   first_argument_type;
25     typedef _Arg2   second_argument_type;
26     typedef _Result result_type;
27 };
28 
29 _LIBCPP_END_NAMESPACE_STD
30 
31 #endif // _LIBCPP___FUNCTIONAL_BINARY_FUNCTION_H
32