public void SimpleAdd()
{
var ev = new TriggerEvent <int>();
// do nothing
ev.SetResult(0);
ev.SetError(null);
ev.SetCompleted();
ev.SetCanceled(default);
public void Dispose()
{
if (enumerator != null)
{
enumerator.DisposeAsync().Forget();
}
triggerEvent.SetCompleted();
}