1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <functional>
11
12// template <class Arg, class Result>
13// struct unary_function
14// {
15//     typedef Arg    argument_type;
16//     typedef Result result_type;
17// };
18
19#include <functional>
20#include <type_traits>
21
22int main()
23{
24    static_assert((std::is_same<std::unary_function<unsigned, char>::argument_type, unsigned>::value), "");
25    static_assert((std::is_same<std::unary_function<unsigned, char>::result_type, char>::value), "");
26}
27