     typealias SubscriptionBlock = (T?) -> ()
 
     /** Subscription blocks to be called with optional value on `publish(subscriptionBlock)` */
-    var subscriptionBlocks: [SubscriptionBlock] = [SubscriptionBlock]() {
+    var subscriptionBlocks: [SubscriptionBlock] {
         didSet {
             updateAllSubscriptionBlocks()
         }

    /** The number of times publish has been called */
    private var publishCount = 0

    /** A collection of all subscription blocks */
    private var allSubscriptionBlocks: [SubscriptionBlock]

    /** Initializes a Publink with any number of subscription blocks */
    init(newSubscriptionBlocks: [SubscriptionBlock]) {
        subscriptionBlocks = newSubscriptionBlocks
        allSubscriptionBlocks = subscriptionBlocks
    }

    /** Called by subscriber, passing a SubscriptionBlock to be called with an optional value when publish(value: T?) is called */


    /** Named subscription blocks to be called with optional value  on `publish(subscriptionBlock)` */
    var namedSubscriptionBlocks = [String: SubscriptionBlock]()

    /** A collection of all subscription blocks */
    private var allSubscriptionBlocks = [SubscriptionBlock]()

    /** The last value passed to `publish(value: T?)`, to be passed to a block upon subscription if `callsLast` is set to true */
    var lastValue: T?
