Lines Matching refs:first_
323 auto pair = *first_;
330 return std::make_tuple(pair.first, first_.def_value(), pair.second);
336 iterator old_first = first_;
340 ++first_;
341 DCHECK(old_first < first_);
347 return *this = double_iterator(first_, second_);
351 : first_(first), second_(second) {
352 if (first_ == second_) {
354 } else if (first_ < second_) {
358 DCHECK(second_ < first_);
365 return first_ != other.first_ || second_ != other.second_;
368 bool is_end() const { return first_.is_end() && second_.is_end(); }
371 iterator first_;