code: func httpgetImpl(url string) (int, string, io.ReadCloser, error) {
  	resp, err := http.Get(url)
  	if err != nil {
  		return 0, "", nil, err
  	}
  	return resp.StatusCode, resp.Status, resp.Body, nil
  }
docs: // httpgetImpl Implements a function to retrieve a url and return the results.