/// <summary>
/// Creates the <see cref="Subscriber{TPayload}"/>.
/// </summary>
/// <param name="subscriptionToken">The subscription token</param>
/// <param name="synchronizationContext">The synchronization context</param>
/// <param name="weakAction">The action</param>
public Subscriber(SubscriptionToken subscriptionToken, SynchronizationContext synchronizationContext, WeakDelegate weakAction)
: base(subscriptionToken, synchronizationContext)
{
if (weakAction == null)
{
throw new ArgumentNullException(nameof(weakAction));
}
this.weakAction = weakAction;
var defaultFilter = new Func <TPayload, bool>(_ => true);
this.weakFilter = new WeakDelegate(defaultFilter, false);
}