70         std::future<int> f = std::async(f0);  in main()  local
78         std::future<int> f = std::async(std::launch::async, f0);  in main()  local
86         std::future<int> f = std::async(std::launch::any, f0);  in main()  local
94         std::future<int> f = std::async(std::launch::deferred, f0);  in main()  local
103         std::future<int&> f = std::async(f1);  in main()  local
111         std::future<int&> f = std::async(std::launch::async, f1);  in main()  local
119         std::future<int&> f = std::async(std::launch::any, f1);  in main()  local
127         std::future<int&> f = std::async(std::launch::deferred, f1);  in main()  local
136         std::future<void> f = std::async(f2);  in main()  local
144         std::future<void> f = std::async(std::launch::async, f2);  in main()  local
152         std::future<void> f = std::async(std::launch::any, f2);  in main()  local
160         std::future<void> f = std::async(std::launch::deferred, f2);  in main()  local
169         std::future<std::unique_ptr<int>> f = std::async(f3, 3);  in main()  local
178         std::future<std::unique_ptr<int>> f =  in main()  local
188         std::future<void> f = std::async(f5, 3);  in main()  local
194         std::future<void> f = std::async(std::launch::deferred, f5, 3);  in main()  local