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 // <system_error>
10 
11 // class error_code
12 
13 // string message() const;
14 
15 #include <system_error>
16 #include <string>
17 #include <cassert>
18 
19 int main()
20 {
21     const std::error_code ec(6, std::generic_category());
22     assert(ec.message() == std::generic_category().message(6));
23 }
24