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 // unary_function
13 
14 #include <functional>
15 #include <type_traits>
16 
main()17 int main()
18 {
19     typedef std::unary_function<int, bool> uf;
20     static_assert((std::is_same<uf::argument_type, int>::value), "");
21     static_assert((std::is_same<uf::result_type, bool>::value), "");
22 }
23