259     Element this_element = this->elements_[i];  in Equals()  local
260     if (this_element.object == nullptr) continue;  in Equals()
264       if (this_element.object == that_element.object &&  in Equals()
265           this_element.index == that_element.index &&  in Equals()
266           this_element.value == that_element.value) {  in Equals()
276       Element this_element = this->elements_[j];  in Equals()  local
277       if (that_element.object == this_element.object &&  in Equals()
278           that_element.index == this_element.index &&  in Equals()
279           that_element.value == this_element.value) {  in Equals()
292   for (Element const this_element : this->elements_) {  in Merge()
293     if (this_element.object == nullptr) continue;  in Merge()
295       if (this_element.object == that_element.object &&  in Merge()
296           this_element.index == that_element.index &&  in Merge()
297           this_element.value == that_element.value) {  in Merge()
298         copy->elements_[copy->next_index_++] = this_element;  in Merge()