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-rw-r--r--actioncable/lib/action_cable/connection/identification.rb7
1 files changed, 4 insertions, 3 deletions
diff --git a/actioncable/lib/action_cable/connection/identification.rb b/actioncable/lib/action_cable/connection/identification.rb
index 4a54044aff..4b5f9ca115 100644
--- a/actioncable/lib/action_cable/connection/identification.rb
+++ b/actioncable/lib/action_cable/connection/identification.rb
@@ -1,4 +1,6 @@
-require 'set'
+# frozen_string_literal: true
+
+require "set"
module ActionCable
module Connection
@@ -6,8 +8,7 @@ module ActionCable
extend ActiveSupport::Concern
included do
- class_attribute :identifiers
- self.identifiers = Set.new
+ class_attribute :identifiers, default: Set.new
end
class_methods do