1   // Fig. 15.11: stack_c.h
2   // Definition of Stack class composed of List object
3   #ifndef STACK_C
4   #define STACK_C
5   #include "list.h"
6   
7   template< class STACKTYPE >
8   class Stack {
9   public:
10     // no constructor; List constructor does initialization
11     void push( const STACKTYPE &d ) { s.insertAtFront( d ); }
12     bool pop( STACKTYPE &d ) { return s.removeFromFront( d ); }
13     bool isStackEmpty() const { return s.isEmpty(); }
14     void printStack() const { s.print(); }
15  private:
16     List< STACKTYPE > s;
17  };
18  
19  #endif