code: func isBuiltinOrGoramlType(tip string) bool {
  	switch {
  	case strings.HasPrefix(tip, "[][]"):
  		tip = strings.TrimPrefix(tip, "[][]")
  	case strings.HasPrefix(tip, "[]"):
  		tip = strings.TrimPrefix(tip, "[]")
  	}
  	for _, t := range typeMap {
  		if t == tip {
  			return true
  		}
  	}
  	if mapDate(tip) != "" {
  		return true
  	}
  	return false
  }
docs: // returns true if `tip` is:
  // - builtin go type
  // - builtin goraml type