code: func NewClient(nick, serverHost string, serverPort uint16) *Client {
  	return &Client{
  		nick:       nick,
  		serverHost: serverHost,
  		serverPort: serverPort,
  
  		writeTimeout: 30 * time.Second,
  		readTimeout:  100 * time.Millisecond,
  
  		channels: map[string]struct{}{},
  		mutex:    &sync.Mutex{},
  	}
  }
docs: // NewClient creates a Client.