vector<Foo*> tehList;
tehList.push_back(new Foo());
tehList.push_back(new Foo());
tehList.push_back(new Foo());
tehList.push_back(new Foo());
tehList.push_back(new Foo());

//we can only use erase() with an iterator
vector<Foo*>::iterator it = tehList.begin();

delete *(it[2]);
tehList.erase(it[2]);
//tehList[2] is now what used to be tehList[3], and the old [2] was deallocated.

Foo* aFoo = tehList[0];
//it's an array of foo pointers

//before doing delete tehList, you have to make sure all its elements were
//deleted too.