public static UniTask RaiseIfNotNull <T>(this AsyncEventRaiser <T>?raiser, T arg, CancellationToken cancellationToken = default)
{
if (raiser is not null)
{
return(raiser.Raise(arg, cancellationToken));
}
else
{
if (cancellationToken.IsCancellationRequested)
{
return(UniTask.FromCanceled(cancellationToken));
}
else
{
return(UniTask.CompletedTask);
}
}
}
internal AsyncEventUnsubscriber(AsyncEventRaiser <T>?raiser, Func <T, CancellationToken, UniTask>?func)
{
_raiser = raiser;
_func = func;
}