listnd.h

经典vc教程的例子程序

// Fig. 15.3: listnd.h
// ListNode template definition
#ifndef LISTND_H
#define LISTND_H

template< class NODETYPE > class List;  // forward declaration

template<class NODETYPE>
class ListNode {
   friend class List< NODETYPE >; // make List a friend
public:
   ListNode( const NODETYPE & );  // constructor
   NODETYPE getData() const;      // return data in the node
private:
   NODETYPE data;                 // data
   ListNode< NODETYPE > *nextPtr; // next node in the list
};

// Constructor
template<class NODETYPE>
ListNode< NODETYPE >::ListNode( const NODETYPE &info )
   : data( info ), nextPtr( 0 ) { }

// Return a copy of the data in the node
template< class NODETYPE >
NODETYPE ListNode< NODETYPE >::getData() const { return data; }

#endif