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 // UNSUPPORTED: libcpp-has-no-threads
10 
11 // <thread>
12 
13 // class thread::id
14 
15 // template<class charT, class traits>
16 // basic_ostream<charT, traits>&
17 // operator<<(basic_ostream<charT, traits>& out, thread::id id);
18 
19 #include <thread>
20 #include <sstream>
21 #include <cassert>
22 
23 int main(int, char**)
24 {
25     std::thread::id id0 = std::this_thread::get_id();
26     std::ostringstream os;
27     os << id0;
28 
29   return 0;
30 }
31