public void InnerNext(CombineLatestSubscriber sender, int index, T value)
{
var a = latest;
int n = a.Length;
int activeCount = Volatile.Read(ref active);
if (!sender.hasValue)
{
sender.hasValue = true;
activeCount = Interlocked.Increment(ref active);
}
bool drain = activeCount == n;
lock (this) {
a[index] = value;
if (drain)
{
T[] b = new T[n];
Array.Copy(a, 0, b, 0, n);
queue.Offer(new Entry(b, sender));
}
}
if (drain)
{
Drain();
}
else
{
sender.RequestOne();
}
}
void InnerNext(CombineLatestSubscriber sender, T item)
{
bool drain = false;
lock (this)
{
if (!sender.hasValue)
{
active++;
sender.hasValue = true;
}
latest[sender.index] = item;
int n = subscribers.Length;
drain = active == n;
if (drain)
{
Entry e = new Entry();
e.sender = sender;
e.items = new T[n];
Array.Copy(latest, 0, e.items, 0, n);
queue.Offer(e);
}
}
if (drain)
{
Drain();
}
else
{
sender.RequestOne();
}
}