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 
11 // not1
12 
13 #include <functional>
14 #include <cassert>
15 
16 int main(int, char**)
17 {
18     typedef std::logical_not<int> F;
19     assert(std::not1(F())(36));
20     assert(!std::not1(F())(0));
21 
22   return 0;
23 }
24