//DNode.h

#ifndef DNODE_H
#define DNODE_H

extern class ElementD;			// provides easy change of used class
							// there are some assumptions:
							// - it has to handle its memory issues
							//		if allocates memory dynamically;

// Class DNode:
// This class is a representation of one data element in the container.
// All of its data members are public, because the class is entirely
// handled by the container class. There is no need to hide information.
class DNode {
public:
	DNode();
	DNode(ElementD item, DNode* newPrevious, DNode* newNext);
	friend class DLinkedList;
private:
	ElementD data;
	DNode* next;
	DNode* previous;
};

#endif