chainiterator.h

GSP寻找最短路径的算法 可以用文件保存输入的信息 存储地址D：//存储.txt

#ifndef ChainIterator_
#define ChainIterator_
#include "Chain.h"
//链表遍历器类
template<class T>
class ChainIterator
{
   public:
      ~ChainIterator() {}
      T* Initialize(const Chain<T>& c)
            {location = c.first;
             if (location) return &location->data;
             return 0;}
      T* Next()
            {if (!location) return 0;
             location = location->link;
             if (location) return &location->data;
             return 0;}
   private:
      ChainNode<T> *location;
};
 
#endif