NullTask

NullTask.cs

/// <summary>
/// NullTask is a task that does nothing in Null Object Pattern fashion
/// </summary>
public class NullTask : Task
{
    public NullTask() : base(() => { }) { }
}

public static class TaskHelpers {
    public static Task Empty() {
        var tcs = new TaskCompletionSource<object>();
        tcs.SetResult(null);
        return tcs.Task;
    }
}