code: func (lt *Translator) Close() error {
  	errs := make(errorList, 0)
  	for f, lft := range lt.fields {
  		err := lft.Close()
  		if err != nil {
  			errs = append(errs, errors.Wrapf(err, "field : %v", f))
  		}
  	}
  	if len(errs) > 0 {
  		return errs
  	}
  	return nil
  }
docs: // Close closes all of the underlying leveldb instances.