import system'threading; import extensions'threading; async public program() { Task t1 := Task.run({ Console.printLineConcurrent("Enjoy") }); Task t2 := Task.run({ Console.printLineConcurrent("Rosetta") }); Task t3 := Task.run({ Console.printLineConcurrent("Code") }); :await Task.whenAllArgs(t1, t2, t3); }