write

# File actionpack/lib/action_controller/metal/live.rb, line 145
      def write(string)
        unless @response.committed?
          @response.set_header "Cache-Control", "no-cache"
          @response.delete_header "Content-Length"
        end

        super

        unless connected?
          @buf.clear

          unless @ignore_disconnect
            # Raise ClientDisconnected, which is a RuntimeError (not an
            # IOError), because that's more appropriate for something beyond
            # the developer's control.
            raise ClientDisconnected, "client disconnected"
          end
        end
      end