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identified_by(*identifiers)

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.

Note that anything marked as an identifier will automatically create a delegate by the same name on any channel instances created off the connection.

# File actioncable/lib/action_cable/connection/identification.rb, line 20
def identified_by(*identifiers)
  Array(identifiers).each { |identifier| attr_accessor identifier }
  self.identifiers += identifiers
end