int main(int argc, char *argv[]){
NAtom *value1 = NAtom::get("value1");
NAtom *value2 = NAtom::get("value2");
NList list;
NObject *ptr = &list;
assert(ptr->equals(ptr));
assert(ptr->equals(&list));
assert(list.equals(&list));
assert(list.equals(ptr));
list << value1;
list << value2;
assert(list.size() == 2);
assert(list.popLast() == value2);
assert(list.popLast() == value1);
assert(list.size() == 0);
list.shift(value2);
list.shift(value1);
assert(list.size() == 2);
assert(list.popFirst() == value1);
assert(list.popFirst() == value2);
assert(list.size() == 0);
return 0;
}
int
SimpleNbmtr::fetch_neighbor_list(NList &nb_list)
{
nb_list.assign(nl.begin(), nl.end());
return nb_list.size();
}