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-rw-r--r--actioncable/lib/action_cable/channel/base.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actioncable/lib/action_cable/channel/base.rb b/actioncable/lib/action_cable/channel/base.rb
index c5ad749bfe..70c93ec0f3 100644
--- a/actioncable/lib/action_cable/channel/base.rb
+++ b/actioncable/lib/action_cable/channel/base.rb
@@ -270,7 +270,7 @@ module ActionCable
end
def action_signature(action, data)
- "#{self.class.name}##{action}".dup.tap do |signature|
+ (+"#{self.class.name}##{action}").tap do |signature|
if (arguments = data.except("action")).any?
signature << "(#{arguments.inspect})"
end