139   circular_deque_const_iterator() : parent_deque_(nullptr), index_(0) {  in circular_deque_const_iterator()
148     parent_deque_->CheckValidIndex(index_);
149     return parent_deque_->buffer_[index_];
153     parent_deque_->CheckValidIndex(index_);
154     return &parent_deque_->buffer_[index_];
241       : parent_deque_(parent), index_(index) {  in circular_deque_const_iterator()
250     if (index_ >= parent_deque_->begin_)  in OffsetFromBegin()
251       return index_ - parent_deque_->begin_;  // On the same side as begin.  in OffsetFromBegin()
252     return parent_deque_->buffer_.capacity() - parent_deque_->begin_ + index_;  in OffsetFromBegin()
258     parent_deque_->CheckValidIndex(index_);  in Increment()
260     if (index_ == parent_deque_->buffer_.capacity())  in Increment()
265     parent_deque_->CheckValidIndexOrEnd(index_);  in Decrement()
267       index_ = parent_deque_->buffer_.capacity() - 1;  in Decrement()
275       parent_deque_->CheckValidIndexOrEnd(index_);  in Add()
277       parent_deque_->CheckValidIndex(index_);  in Add()
288            new_offset <= static_cast<difference_type>(parent_deque_->size()));  in Add()
289     index_ = (new_offset + parent_deque_->begin_) %  in Add()
290              parent_deque_->buffer_.capacity();  in Add()
295     DCHECK(parent_deque_);  in CheckUnstableUsage()
299     DCHECK_EQ(created_generation_, parent_deque_->generation_)  in CheckUnstableUsage()
303     DCHECK_EQ(parent_deque_, other.parent_deque_);  in CheckComparable()
315   const circular_deque<T>* parent_deque_;  variable
1061     DCHECK(i.parent_deque_ == this);  in ValidateIterator()