public static IAsyncObservable <TResult> ToAsyncObservable <TResult>(this Task <TResult> task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
return(AsyncObservable.Create <TResult>(observer => task.AcceptAsync(observer)));
}
public static IAsyncObservable <Unit> ToAsyncObservable(this Task task, IAsyncScheduler scheduler)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (scheduler == null)
{
throw new ArgumentNullException(nameof(scheduler));
}
return(AsyncObservable.Create <Unit>(observer => task.AcceptAsync(observer, scheduler)));
}
/// <summary>
/// Pulls the specified cancellation token.
/// </summary>
/// <returns></returns>
public IAsyncObservable <TElement> PullAll()
{
var observable = AsyncObservable.Create <TElement>(obs =>
{
while (!_items.IsEmpty)
{
var item = PullOne();
if (item == null)
{
break;
}
obs.OnNextAsync(item);
}
return(Task.FromResult(AsyncDisposable.Nop));
});
return(observable);
}