#ifndef LIST_ITERATORH
#define LIST_ITERATORH

struct node {
	int value;
	node *next;
};

class list_iterator {
	node *p;
public:
	list_iterator(node *initial_p): p(initial_p) {}
	int& operator*() const {return p->value;}
	list_iterator& operator++() {p = p->next; return *this;}

	friend bool operator!=(const list_iterator& it1,
	                       const list_iterator& it2) {
		return it1.p != it2.p;
	}
};
#endif