code: func ParseKeys(data map[string]interface{}, pairs [][]string) error {
  	for _, args := range pairs {
  		key, t := args[0], args[1]
  		if err := ParseKey(data, key, t); err != nil {
  			return err
  		}
  	}
  	return nil
  }
docs: // ParseKeys parses keys. It just wraps ParseKey.