code: func (db *BytesConnectionRedis) Close() error {
  	if db.closed {
  		db.Debug("Close() called on a closed connection")
  		return nil
  	}
  	db.Debug("Close()")
  	db.closed = true
  	safeclose.Close(db.closeCh)
  	if db.client != nil {
  		err := safeclose.Close(db.client)
  		if err != nil {
  			return fmt.Errorf("Close() encountered error: %s", err)
  		}
  	}
  	return nil
  }
docs: // Close closes the connection to redis.