/* * Filename: ListNode.h * Description: ListNode class definition */ #ifndef LISTNODE_H #define LISTNODE_H #include <iostream> // next line needed because NULL is part of std namespace using namespace std; class ListNode { public: ListNode(); // Constructor private: int value; // The value of the node! ListNode* next; // The next ListNode in the List ListNode* previous; // The previous ListNode in the list // List needs access to value, next, and previous friend class List; // ListItr needs access to value friend class ListItr; // Not writing a destructor is fine in this case since there is no // dynamically allocated memory in this class. }; #endif