// File Circlist/circlist.cpp

#include <iostream>
#include "circlist.h"

using namespace std;

int circlist::pop(void) {// remove front cell, return its info
       if( empty() ) return 0; // if empty, return 0
       // by-pass front cell
       cell *front = rear->next; rear->next = front->next;
       int x = front->info; delete front;
       return x; // return value of front
}

circlist::~circlist(void){// destructor
       cell *curr = rear->next; cell *oldc;
       do {oldc = curr; curr = curr->next;
          delete oldc;}
       while(oldc != rear);
       cout << "Deleted a circlist" << endl;
}

ostream& operator<<(ostream& os, circlist& L) {
   cell* curr = L.rear->next;
   os << "Circlist: ";
   while(curr != L.rear)
      {os << curr->info << " "; curr = curr->next;}
   os << "[" << curr->info << "]" << endl;   
   return os;
}