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++03 || c++11 || c++14
11 // unary_function was removed in C++17
12 
13 // unary_function
14 
15 #include <functional>
16 #include <type_traits>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     typedef std::unary_function<int, bool> uf;
23     static_assert((std::is_same<uf::argument_type, int>::value), "");
24     static_assert((std::is_same<uf::result_type, bool>::value), "");
25 
26   return 0;
27 }
28