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 // <future>
11 
12 // enum class future_errc
13 // {
14 //     future_already_retrieved = 1,
15 //     promise_already_satisfied,
16 //     no_state
17 //     broken_promise,
18 // };
19 
20 #include <future>
21 
main()22 int main()
23 {
24     static_assert(static_cast<int>(std::future_errc::future_already_retrieved) == 1, "");
25     static_assert(static_cast<int>(std::future_errc::promise_already_satisfied) == 2, "");
26     static_assert(static_cast<int>(std::future_errc::no_state) == 3, "");
27     static_assert(static_cast<int>(std::future_errc::broken_promise) == 4, "");
28 }
29