171   bool Done() const {  in Done()  function
206   bool Done() const { return fin_; }  in Done()  function
250   for (StringWeightIterator<L, S> iter(*this); !iter.Done(); iter.Next()) {  in Write()
269   for (StringWeightIterator<L, S> iter(*this); !iter.Done(); iter.Next())  in Reverse()
277   for (StringWeightIterator<L, S> iter(*this); !iter.Done(); iter.Next())  in Hash()
304   for (; !iter1.Done() ; iter1.Next(), iter2.Next())
327   if (iter.Done())
334     for (size_t i = 0; !iter.Done(); ++i, iter.Next()) {
405   for (; !iter1.Done() && !iter2.Done() && iter1.Value() == iter2.Value();  in Plus()
426   for (; !iter1.Done() && !iter2.Done() && iter1.Value() == iter2.Value();  in Plus()
442   for (StringWeightIterator<L, S> iter(w2); !iter.Done(); iter.Next())  in Times()
472   for (int i = 0; !iter.Done(); iter.Next(), ++i) {  in Divide()
502   for (int i = 0; !iter.Done(); iter.Next(), ++i) {  in Divide()
532   for (int i = 0; !iter.Done(); iter.Next(), ++i) {  in Divide()