lib/action_cable/connection/identification.rb in actioncable-5.1.7 vs lib/action_cable/connection/identification.rb in actioncable-5.2.0.beta1

@@ -1,14 +1,15 @@
+# frozen_string_literal: true
+
 require "set"
 
 module ActionCable
   module Connection
     module Identification
       extend ActiveSupport::Concern
 
       included do
-        class_attribute :identifiers
-        self.identifiers = Set.new
+        class_attribute :identifiers, default: Set.new
       end
 
       class_methods do
         # Mark a key as being a connection identifier index that can then be used to find the specific connection again later.
         # Common identifiers are current_user and current_account, but could be anything, really.