code: func (u *NullUUID) Scan(src interface{}) error {
  	if src == nil {
  		u.UUID, u.Valid = Nil, false
  		return nil
  	}
  
  	// Delegate to UUID Scan function
  	u.Valid = true
  	return u.UUID.Scan(src)
  }
docs: // Scan implements the sql.Scanner interface.