/****
 *
 * Class IntList specializes class List, defined in list.h.  Each List selector
 * is specialized to return IntListElem's instead of plain ListElem's.  This
 * avoids the need to use casts in outside calling functions.  This is the
 * recommended specialization for subclasses of List and ListElem.
 *
 */

#ifndef intlistIncluded
#define intlistIncluded

#include "list.h"


class IntListElem;

class IntList : public List {
  public:
    IntListElem* Pull();
    IntListElem* Pop();
    IntListElem* GetNth(int n);
    IntListElem* RemoveNth(int n);
    IntListElem* Find(int k);
    int FindPos(int k);
    IntListElem* Enum();
};

/*
 * IntListElem is the recommended specialization of ListElem.
 */
class IntListElem : public ListElem {
  public:
    IntListElem(int initval);
    virtual ~IntListElem();
    int GetData();
    int Compare(ListElem* e);
    virtual int Compare(ListElemKey* k);
    ListElemKey* GetKey();
    void Print();
  protected:
    int data;
};

#endif