code: func (loader *FileSystemLoader) LoadTemplate(name string) (string, error) {
  	f, err := os.Open(path.Join(loader.BaseDir, name))
  	if err != nil {
  		return "", err
  	}
  	b, err := ioutil.ReadAll(f)
  	return string(b), err
  }
docs: // LoadTemplate loads a template from a file.