/*------------------------------------------------------------------*/
/* testlist.c (Version 4: Iterator)                                 */
/*------------------------------------------------------------------*/

#include "list.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
   List_T oList;
   ListIter_T oListIter1;
   ListIter_T oListIter2;

   oList = List_new();
   
   List_addFirst(oList, "Ruth");
   List_addFirst(oList, "Gehrig");
   List_addLast(oList, "Mantle");
   List_addLast(oList, "Jeter");

   oListIter1 = ListIter_new(oList);
   ListIter_selectFirst(oListIter1);
   while (ListIter_selectionValid(oListIter1))
   {
      printf("%s\n", (char*)ListIter_selectedItem(oListIter1));
      ListIter_selectNext(oListIter1);
   }
   ListIter_free(oListIter1);
   
   oListIter2 = ListIter_new(oList);
   ListIter_selectLast(oListIter2);
   while (ListIter_selectionValid(oListIter2))
   {
      printf("%s\n", (char*)ListIter_selectedItem(oListIter2));
      ListIter_selectPrev(oListIter2);
   }
   ListIter_free(oListIter2);
      
   List_free(oList);

   return 0;
}


/* 
Output:

Gehrig
Ruth
Mantle
Jeter
Jeter
Mantle
Ruth
Gehrig
*/