code: func (w *Watcher) Stop() {
  	w.Lock()
  	defer w.Unlock()
  
  	log.Printf("[DEBUG] (watcher) stopping all views")
  
  	for _, view := range w.depViewMap {
  		if view == nil {
  			continue
  		}
  		log.Printf("[TRACE] (watcher) stopping %s", view.Dependency())
  		view.stop()
  	}
  
  	// Reset the map to have no views
  	w.depViewMap = make(map[string]*View)
  
  	// Close any idle TCP connections
  	w.clients.Stop()
  }
docs: // Stop halts this watcher and any currently polling views immediately. If a
  // view was in the middle of a poll, no data will be returned.