listnd.h

来自「《c＋＋大学教程实验指导书》源码」· C头文件 代码 · 共 59 行

// LISTND.H
// ListNode template definition
#ifndef LISTND_H
#define LISTND_H

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

// template class ListNode definition
template< class NODETYPE >
class ListNode {
   friend class List< NODETYPE >; // make List a friend

public:
   ListNode( const NODETYPE & );  // constructor

   NODETYPE getData() const;    // return data in node
   void setNextPtr( ListNode *nPtr ) { nextPtr = nPtr; }
   ListNode *getNextPtr() const { return nextPtr; }

private:
   NODETYPE data;               // data
   ListNode *nextPtr;           // next node in list

}; // end class ListNode

// constructor
template< class NODETYPE >
ListNode< NODETYPE >::ListNode( const NODETYPE &info )
{
   data = info;
   nextPtr = 0;

} // end class ListNode constructor

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

} // end function getData

#endif // LISTND_H


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