// Fig. 21.13: stack.h
// Template Stack class definition derived from class List.
#ifndef STACK_H
#define STACK_H

#include "list.h"  // List class definition

template< class STACKTYPE >
class Stack : private List< STACKTYPE > 
{

public:
   // push calls List function insertAtFront
   void push( const STACKTYPE &data ) 
   { 
      this->insertAtFront( data ); 
   }

   // pop calls List function removeFromFront
   bool pop( STACKTYPE &data ) 
   { 
      return this->removeFromFront( data ); 
   } 

   // isStackEmpty calls List function isEmpty
   bool isStackEmpty() const 
   { 
      return this->isEmpty(); 
   }
 
   // printStack calls List function print
   void printStack() const 
   { 
      this->print(); 
   }

}; 

#endif

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