public static async ValueTask SubscribeAsync <T>(this IAsyncObservable <T> source, Action <T> onNext = null, Action <Exception> onError = null, Action onCompleted = null, CancellationToken token = default)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
var observer = new AnonymousAsyncObserver <T> .Sync(onNext);
try
{
await source.SubscribeAsync(observer, token);
onCompleted?.Invoke();
}
catch (Exception ex) when(onError != null)
{
onError(ex);
}
}
public static async ValueTask SubscribeAsync <T>(this IAsyncObservable <T> source, Func <T, ValueTask> onNext, Func <Exception, ValueTask> onError = null, Func <ValueTask> onCompleted = null, CancellationToken token = default)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
var observer = new AnonymousAsyncObserver <T> .Async(onNext);
try
{
await source.SubscribeAsync(observer, token);
if (onCompleted != null)
{
await onCompleted();
}
}
catch (Exception ex) when(onError != null)
{
await onError(ex);
}
}
