如何利用taskpool执行多任务

@Concurrent 
function printArgs(args: number): number { 
    console.log("printArgs: " + args); 
    return args; 
} 
 
let taskGroup1: taskpool.TaskGroup = new taskpool.TaskGroup(); 
taskGroup1.addTask(printArgs, 10); // 10: test number 
taskGroup1.addTask(printArgs, 20); // 20: test number 
taskGroup1.addTask(printArgs, 30); // 30: test number 
 
let taskGroup2: taskpool.TaskGroup = new taskpool.TaskGroup(); 
let task1: taskpool.Task = new taskpool.Task(printArgs, 100); // 100: test number 
let task2: taskpool.Task = new taskpool.Task(printArgs, 200); // 200: test number 
let task3: taskpool.Task = new taskpool.Task(printArgs, 300); // 300: test number 
taskGroup2.addTask(task1); 
taskGroup2.addTask(task2); 
taskGroup2.addTask(task3); 
taskpool.execute(taskGroup1).then((res: Array<number>) => { 
  console.info("taskpool execute res is:" + res); 
}); 
taskpool.execute(taskGroup2).then((res: Array<number>) => { 
  console.info("taskpool execute res is:" + res); 
});