/// <summary>Convert to awaitable IEnumerator.</summary>
public static IEnumerator ToAwaitableEnumerator <T>(this IObservable <T> source, Action <T> onResult, Action <Exception> onError, CancellationToken cancel = default(CancellationToken))
{
var enumerator = new ObservableYieldInstruction <T>(source, false, cancel);
var e = (IEnumerator <T>)enumerator;
while (e.MoveNext() && !cancel.IsCancellationRequested)
{
yield return(null);
}
if (cancel.IsCancellationRequested)
{
enumerator.Dispose();
yield break;
}
if (enumerator.HasResult)
{
onResult(enumerator.Result);
}
else if (enumerator.HasError)
{
onError(enumerator.Error);
}
}
public ToYieldInstruction(ObservableYieldInstruction <T> parent)
{
this.parent = parent;
}