46   size_t fill_count = 0;  variable
116     if (fill_count == BLOCK_SIZE) {  in new_obj()
125       fill_count = 0;  in new_obj()
127     T *obj = reinterpret_cast<T *>(current->data + fill_count * sizeof(T));  in new_obj()
128     ++fill_count;  in new_obj()
139                                   sizeof(T) * (fill_count - 1));  in back()
143     fill_count--;  in pop_back()
144     if (fill_count || current == &first)  in pop_back()
157     fill_count = BLOCK_SIZE;  in pop_back()
160   bool empty() const { return current == &first && !fill_count; }  in empty()
164       return iterator(current, fill_count);  in begin()
173       return iterator(current, fill_count);  in end()
196   block_store->fill_count = 0;  in destroy()