coder

# File activerecord/lib/active_record/coders/yaml_column.rb, line 77
      def coder
        # This is to retain forward compatibility when loading records serialized with Marshal
        # from a previous version of Rails.
        @coder ||= begin
          permitted_classes = defined?(@permitted_classes) ? @permitted_classes : []
          unsafe_load = defined?(@unsafe_load) && @unsafe_load.nil?
          SafeCoder.new(permitted_classes: permitted_classes, unsafe_load: unsafe_load)
        end
      end