lib/slack-ruby-bot/hooks/set.rb in slack-ruby-bot-0.10.3 vs lib/slack-ruby-bot/hooks/set.rb in slack-ruby-bot-0.10.4

@@ -9,15 +9,13 @@
 
         @pending_flush = client.blank?
       end
 
       def add(hook_name, handler)
-        if handlers[hook_name].present?
-          handlers[hook_name] << handler
-        else
-          handlers[hook_name] = [handler]
-          register_callback(hook_name)
-        end
+        handlers[hook_name] ||= ::Set.new
+        handlers[hook_name] << handler
+
+        register_callback(hook_name)
       end
 
       def client=(client)
         @client = client