code: func (b *Bundle) LoadTranslationFile(filename string) error {
  	buf, err := ioutil.ReadFile(filename)
  	if err != nil {
  		return err
  	}
  	return b.ParseTranslationFileBytes(filename, buf)
  }
docs: // LoadTranslationFile loads the translations from filename into memory.
  //
  // The language that the translations are associated with is parsed from the filename (e.g. en-US.json).
  //
  // Generally you should load translation files once during your program's initialization.