?? citer1.h
字號(hào):
// null destructor has been added because DeactivatePos
// of lnbase crashes when deleting an array of chain
// iterators; happens only with Visual C++
#ifndef ChainIterator_
#define ChainIterator_
#include "chain.h"
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
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