/// <summary>
/// 初始化任务等待器
/// </summary>
/// <param name="awaitableTask"></param>
public TaskAwaiter(AwaitableTask <TResult> awaitableTask)
{
_awaitableTask = awaitableTask;
}
/// <summary>
/// 任务等待器
/// </summary>
/// <param name="awaitableTask"></param>
public TaskAwaiter(AwaitableTask awaitableTask)
{
_awaitableTask = awaitableTask;
}