58     city_arrival(string* n) : names(n) {}  in city_arrival()
64              << "arriving at " << names[u] << endl  in operator ()()
67     string* names;  member
72     neighbor_cities(string* n) : names(n) {}  in neighbor_cities()
77         cout << names[target(e, g)] << ", ";  in operator ()()
79     string* names;  member
84     finish_city(string* n) : names(n) {}  in finish_city()
89         cout << endl << "finished with " << names[u] << endl;  in operator ()()
91     string* names;  member
112     string names[]  in main()  local
136             city_arrival(names), neighbor_cities(names), finish_city(names)))));  in main()
145             city_arrival(names), neighbor_cities(names), finish_city(names)))));  in main()