code: func (tcpDialer) Dial(address string) (*wire.Conn, error) {
  	netConn, err := net.Dial("tcp", address)
  	if err != nil {
  		return nil, errors.WrapErrorf(err, errors.ServerNotAvailable, "error dialing %s", address)
  	}
  
  	// net.Conn can't be closed more than once, but wire.Conn will try to close both sender and scanner
  	// so we need to wrap it to make it safe.
  	safeConn := wire.MultiCloseable(netConn)
  
  	// Prevent leaking the network connection, not sure if TCPConn does this itself.
  	// Note that the network connection may still be in use after the conn isn't (scanners/senders
  	// can give their underlying connections to other scanner/sender types), so we can't
  	// set the finalizer on conn.
  	runtime.SetFinalizer(safeConn, func(conn io.ReadWriteCloser) {
  		conn.Close()
  	})
  
  	return &wire.Conn{
  		Scanner: wire.NewScanner(safeConn),
  		Sender:  wire.NewSender(safeConn),
  	}, nil
  }
docs: // Dial connects to the adb server on the host and port set on the netDialer.
  // The zero-value will connect to the default, localhost:5037.