GenStack.h - VTC C++ Template Header/Implementation

/**
 * [GenStack.h]
 * The (generic) Stack template declaration/specification.
 */

#ifndef GENSTACK_H
#define GENSTACK_H

#include <iostream>

template <class ItemType>
class GenStack
{
    /**
     * Everything under public can be accessed by all other programs or classes.
     */
    public:
        /**
         * Constructor(s):
         */
        GenStack();


        /**
         * Mutators:
         */
        void Push(ItemType);

        /**
         * Accessors:
         */
        ItemType Pop(void);

        /**
         * General Use:
         */

    /**
     * Everything under protected can be accessed only by the class itself or (derived) subclasses,
     * as in the case of inheritance.
     */
    protected:


    /**
     * (Private) DATA MEMBERS/PROPERTIES:
     *
     * Everything under private can only be accessed by the class itself (the code in the
     * implementation file).
     */
    private:
        int         top;
        ItemType    data[100];
};

#endif // GENSTACK_H


/**
 * The (generic) Stack template definition/implementation.
 */
template <class ItemType>
GenStack<ItemType>::GenStack()                  // (default) constructor
{
    top = -1;
}


template <class ItemType>
void GenStack<ItemType>::Push(ItemType item)    // mutator
{
    top++;
    data[top] = item;
}


template <class ItemType>
ItemType GenStack<ItemType>::Pop(void)          // accessor
{
    ItemType    item(data[top]);

    top--;

    return item;
}