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// <thread>
11
12// class thread::id
13
14// id& operator=(const id&) = default;
15
16#include <thread>
17#include <cassert>
18
19int main()
20{
21    std::thread::id id0;
22    std::thread::id id1;
23    id1 = id0;
24    assert(id1 == id0);
25    id1 = std::this_thread::get_id();
26    assert(id1 != id0);
27}
28