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 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
