# File lib/ruote/exp/ro_on_x.rb, line 113
      def initialize(on_error_entry)

        if on_error_entry.is_a?(Hash)
          on_error_entry = on_error_entry.to_a.flatten
        end

        @pattern, @action, @child_id = on_error_entry
        @pat = Ruote.regex_or_s(@pattern) || //
      end