1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <functional>
10 // REQUIRES: c++98 || c++03 || c++11 || c++14
11 // binary_function was removed in C++17
12
13 // template <class Arg1, class Arg2, class Result>
14 // struct binary_function
15 // {
16 // typedef Arg1 first_argument_type;
17 // typedef Arg2 second_argument_type;
18 // typedef Result result_type;
19 // };
20
21 #include <functional>
22 #include <type_traits>
23
24 #include "test_macros.h"
25
main(int,char **)26 int main(int, char**)
27 {
28 static_assert((std::is_same<std::binary_function<int, unsigned, char>::first_argument_type, int>::value), "");
29 static_assert((std::is_same<std::binary_function<int, unsigned, char>::second_argument_type, unsigned>::value), "");
30 static_assert((std::is_same<std::binary_function<int, unsigned, char>::result_type, char>::value), "");
31
32 return 0;
33 }
34