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// Fig. 15.3: listnd.h 
// ListNode template definition 
#ifndef ELEMENT_H 
#define ELEMENT_H 
 
template< class TYPE > class Container;  // forward declaration 
 
template 
class Element { 
   friend class Container< TYPE >; // make List a friend 
public: 
   Element( const TYPE & );  // constructor 
   TYPE getData() const;      // return data in the node 
private: 
   TYPE data;                 // data 
   int index; 
   Element< TYPE > *nextPtr; // next node in the list 
}; 
 
// Constructor 
template 
Element< TYPE >::Element( const TYPE &value ) 
{ 
	data = value;  
	nextPtr = NULL; 
 } 
 
// Return a copy of the data in the node 
template< class TYPE > 
TYPE Element< TYPE >::getData() const { return data; } 
 
#endif