refactor!: rename Subs to Subscribers

README.md

@@ -117,7 +117,7 @@ topics := broker.Topics()
 topicsCount := broker.NumTopics()
 
 // Get the subscribers count on a specific topic.
-count := broker.Subs("events")
+count := broker.Subscribers("events")
 ```
 
 ## Tests

broker.go

@@ -60,8 +60,8 @@ func (b *Broker[T, P]) NumTopics() int {
 	return len(b.subs)
 }
 
-// Subs returns the number of subscriptions on the specified topic.
-func (b *Broker[T, P]) Subs(topic T) int {
+// Subscribers returns the number of subscriptions on the specified topic.
+func (b *Broker[T, P]) Subscribers(topic T) int {
 	b.mu.RLock()
 	defer b.mu.RUnlock()
 	return len(b.subs[topic])

broker_test.go

@@ -232,14 +232,14 @@ func TestBrokerNumTopicsWithSubscribersOnSameTopic(t *testing.T) {
 	assertTopics(0)
 }
 
-func TestBrokerSubs(t *testing.T) {
+func TestBrokerSubscribers(t *testing.T) {
 	t.Parallel()
 
 	broker := pubsub.NewBroker[string, string]()
 
 	assertSubs := func(topic string, want int) {
 		t.Helper()
-		if got := broker.Subs(topic); want != got {
+		if got := broker.Subscribers(topic); want != got {
 			t.Fatalf("want %d subscriptions on topic %q, got %d", want, topic, got)
 		}
 	}
@@ -661,7 +661,7 @@ func TestBrokerConcurrentPublishSubscribe(t *testing.T) {
 	waitUntil(time.Second, func() bool {
 		var total int
 		for _, topic := range topics {
-			total += broker.Subs(topic)
+			total += broker.Subscribers(topic)
 		}
 
 		return total == totalSubsCount