def to_enum
      return Enumerator.new do |yielder|
        climber.connection_pool.connections.each do |connection|
          connection.send(self.class.enumerator_method) do |element|
            yielder << element
          end
        end
      end
    end
def to_enum
      return Enumerator.new do |yielder|
        climber.connection_pool.connections.each do |connection|
          connection.send(self.class.enumerator_method) do |element|
            yielder << element
          end
        end
      end
    end
:call-seq:
   to_enum() => Enumerator

 Returns an Enumerator for enumerating elements on all connections.
 Connections are enumerated in the order defined. See Connection#to_enum
 for more information
 An instance of the element is yielded with each iteration.