# File lib/nanite/actor_registry.rb, line 9
    def register(actor, prefix)
      raise ArgumentError, "#{actor.inspect} is not a Nanite::Actor subclass instance" unless Nanite::Actor === actor
      log_msg = "[actor] #{actor.class.to_s}"
      log_msg += ", prefix #{prefix}" if prefix && !prefix.empty?
      Nanite::Log.info(log_msg)
      prefix ||= actor.class.default_prefix
      actors[prefix.to_s] = actor
    end