[khc]

How is this a hashtable implementation?

[tytytytytytytyt]

It's not, if you can tell the difference between implementing something and using/instantiating something.

[stevemk14ebr]

int i = HashTable::hash(r) table[i].push_back(r);

they hash the data and use that as an index. So by def. That said it's pretty bare and missing _ALOT_