code: func (c *Client) GetDeadline(dst []byte, url string, deadline time.Time) (statusCode int, body []byte, err error) {
  	return clientGetURLDeadline(dst, url, deadline, c)
  }
docs: // GetDeadline returns the status code and body of url.
  //
  // The contents of dst will be replaced by the body and returned, if the dst
  // is too small a new slice will be allocated.
  //
  // The function follows redirects. Use Do* for manually handling redirects.
  //
  // ErrTimeout error is returned if url contents couldn't be fetched
  // until the given deadline.