code: func (r *registry) evaluateModeAndLoad(c *HandlerConfig, handlerType HandlerType, extraArgs ...string) {
  	if c.Library != "" {
  		r.loadPlugin(c.Library, handlerType, extraArgs...)
  	} else {
  		r.loadCompiled(c.Name, handlerType, extraArgs...)
  	}
  }
docs: // evaluateModeAndLoad if a library path is provided, load the shared object