/* ECP: FILEname=fig14_24.cpp */
/* 1*/   template <class Etype>
/* 2*/   class Stack
/* 3*/   {
/* 4*/       Stack( const Stack & );      // Disable copy constructor.
/* 5*/       Stack & operator=( const Stack & );  // Disable operator=.

/* 6*/       Etype *Array;                // The array of elements.
/* 7*/       int TopOfStack;              // Index of top element.
/* 8*/       unsigned int MaxSize;        // Maximum stack size;

/* 9*/     public:
/*10*/       enum { DefaultInitSize = 5 };

/*11*/       // Constructor.
/*12*/       Stack( unsigned int InitSize = DefaultInitSize );

/*13*/       // Destructor.
/*14*/       ~Stack( ) { delete [ ] Array; }

/*15*/       // Member functions.
/*16*/       int IsEmpty( ) const;         // True if empty.
/*17*/       void Push( const Etype & X ); // Push.
/*18*/       const Etype & Pop( );         // Combine pop and top.
/*19*/       void ClearStack( );           // Make it empty.
/*20*/   };


/* 1*/   template <class Etype>
/* 2*/   Stack<Etype>::Stack( unsigned int InitSize )
/* 3*/   {
/* 4*/       Array = new Etype [ MaxSize = InitSize ];
/* 5*/       if( Array == NULL )
/* 6*/           Error( "Out of memory" );
/* 7*/       ClearStack( );
/* 8*/   }