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-rw-r--r--actioncable/lib/action_cable/server/broadcasting.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/actioncable/lib/action_cable/server/broadcasting.rb b/actioncable/lib/action_cable/server/broadcasting.rb
index 7fcd6c6587..bc54d784b3 100644
--- a/actioncable/lib/action_cable/server/broadcasting.rb
+++ b/actioncable/lib/action_cable/server/broadcasting.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActionCable
module Server
# Broadcasting is how other parts of your application can send messages to a channel's subscribers. As explained in Channel, most of the time, these