362   Node* to() const { return *input_ptr_; }  in to()
369   bool operator==(const Edge& other) { return input_ptr_ == other.input_ptr_; }
373     Node* old_to = *input_ptr_;  in UpdateTo()
376       *input_ptr_ = new_to;  in UpdateTo()
386   Edge(Node::Use* use, Node** input_ptr) : use_(use), input_ptr_(input_ptr) {  in Edge()
393   Node** input_ptr_;  variable
431   iterator() : use_(nullptr), input_ptr_(nullptr) {}  in iterator()
433       : use_(other.use_), input_ptr_(other.input_ptr_) {}  in iterator()
435   Edge operator*() const { return Edge(use_, input_ptr_); }
437     return input_ptr_ == other.input_ptr_;
441     input_ptr_++;
447     input_ptr_ += offset;
452     return iterator(use_ - offset, input_ptr_ + offset);
455     return input_ptr_ - other.input_ptr_;
462       : use_(use), input_ptr_(input_ptr) {}  in iterator()
465   Node** input_ptr_;  variable
491   const_iterator(const const_iterator& other) : input_ptr_(other.input_ptr_) {}  in const_iterator()
493   Node* operator*() const { return *input_ptr_; }
495     return input_ptr_ == other.input_ptr_;
501     ++input_ptr_;
506     input_ptr_ += offset;
510     return const_iterator(input_ptr_ + offset);
513     return input_ptr_ - other.input_ptr_;
519   explicit const_iterator(Node* const* input_ptr) : input_ptr_(input_ptr) {}  in const_iterator()
521   Node* const* input_ptr_;  variable