67         std::future<int> f = std::async(f0);  in main()  local
75         std::future<int> f = std::async(std::launch::async, f0);  in main()  local
83         std::future<int> f = std::async(std::launch::any, f0);  in main()  local
91         std::future<int> f = std::async(std::launch::deferred, f0);  in main()  local
100         std::future<int&> f = std::async(f1);  in main()  local
108         std::future<int&> f = std::async(std::launch::async, f1);  in main()  local
116         std::future<int&> f = std::async(std::launch::any, f1);  in main()  local
124         std::future<int&> f = std::async(std::launch::deferred, f1);  in main()  local
133         std::future<void> f = std::async(f2);  in main()  local
141         std::future<void> f = std::async(std::launch::async, f2);  in main()  local
149         std::future<void> f = std::async(std::launch::any, f2);  in main()  local
157         std::future<void> f = std::async(std::launch::deferred, f2);  in main()  local
166         std::future<std::unique_ptr<int>> f = std::async(f3, 3);  in main()  local
175         std::future<std::unique_ptr<int>> f =  in main()  local
185         std::future<void> f = std::async(f5, 3);  in main()  local
191         std::future<void> f = std::async(std::launch::deferred, f5, 3);  in main()  local