void set_tags (std::string member, std::vector<std::string> tags);
std::vector<std::string> get_tags (std::string member);
- void search_members_and (std::vector<std::string>& results, const std::vector<std::string> tags);
+ void search_members_and (std::vector<std::string>& results, const std::vector<std::string>& tags);
void save_changes();