69         std::future<int> f = std::async(f0);  in main()  local
77         std::future<int> f = std::async(std::launch::async, f0);  in main()  local
85         std::future<int> f = std::async(std::launch::any, f0);  in main()  local
93         std::future<int> f = std::async(std::launch::deferred, f0);  in main()  local
102         std::future<int&> f = std::async(f1);  in main()  local
110         std::future<int&> f = std::async(std::launch::async, f1);  in main()  local
118         std::future<int&> f = std::async(std::launch::any, f1);  in main()  local
126         std::future<int&> f = std::async(std::launch::deferred, f1);  in main()  local
135         std::future<void> f = std::async(f2);  in main()  local
143         std::future<void> f = std::async(std::launch::async, f2);  in main()  local
151         std::future<void> f = std::async(std::launch::any, f2);  in main()  local
159         std::future<void> f = std::async(std::launch::deferred, f2);  in main()  local
168         std::future<std::unique_ptr<int>> f = std::async(f3, 3);  in main()  local
177         std::future<std::unique_ptr<int>> f =  in main()  local
187         std::future<void> f = std::async(f5, 3);  in main()  local
193         std::future<void> f = std::async(std::launch::deferred, f5, 3);  in main()  local