220   void PushIterator(const int length, const ItemCallback& item_callback,  in PushIterator()  argument
223     CreateIteratorMetatable(length, item_callback);  in PushIterator()
224     PushFunction([this, length, item_callback, key_callback]() {  in PushIterator()
225       return Iterator::Dispatch(this, length, item_callback, key_callback);  in PushIterator()
232   void PushIterator(const int length, const ItemCallback& item_callback) const {  in PushIterator()  argument
234     CreateIteratorMetatable(length, item_callback);  in PushIterator()
235     PushFunction([this, length, item_callback]() {  in PushIterator()
236       return Iterator::Dispatch(this, length, item_callback);  in PushIterator()
244                                const ItemCallback& item_callback) const {  in CreateIteratorMetatable()  argument
248     PushFunction([this, length, item_callback]() {  in CreateIteratorMetatable()
249       return Iterator::IterItems(this, length, item_callback);  in CreateIteratorMetatable()
252     PushFunction([this, length, item_callback]() {  in CreateIteratorMetatable()
253       return Iterator::Next(this, length, item_callback);  in CreateIteratorMetatable()
412                     const ItemCallback& item_callback) {  in Next()  argument
421         return 1 + item_callback(pos);  in Next()
441                         const ItemCallback& item_callback,  in Dispatch()  argument
452           return item_callback(index);  in Dispatch()
467                         const ItemCallback& item_callback) {  in Dispatch()  argument
477           return item_callback(index);  in Dispatch()