/// <summary>
/// Subscribe new subscription.
/// </summary>
/// <param name="func">Function.</param>
/// <returns></returns>
internal ICallBackSub Subscribe(CallBackAction <TCallBack> func)
{
CallBackSub <TCallBack> cbs = new CallBackSub <TCallBack>(this, func);
foreach (var item in Subscriptions.Array.Span)
{
if (item == cbs)
{
throw new Exception("Now subscribed.");
}
}
Subscriptions.Add(cbs);
return(cbs);
}
/// <summary>
/// Unsubscribe subscription.
/// </summary>
/// <param name="callBackSub"></param>
internal void Unsubscribe(CallBackSub <TCallBack> callBackSub)
{
Subscriptions.Remove(callBackSub);
}