// This program illustrates the use of constructors and
// destructors in the allocation and deallocation of
// memory.
#include <iostream>
#include <string>
using namespace std;

class InvItem
{
    private:
        string *description;
        int units;
    public:
        InvItem(string descr, int number)   //constructor
        {
            description = new string;
            *description = descr;
            units = number;
        }

        ~InvItem()                          //destructor
        {
            delete description;
        }

        string *getDesc()
        {
            return description;
        }

        int getUnits()
        {
            return units;
        }
};

int main()
{
    // Use the constructor to create an object.
    InvItem stock("Wrench", 20);

    // Print the object's details.
    cout << "Item description: " << *stock.getDesc() << endl;
    cout << "Units on hand: " << stock.getUnits() << endl;

    return 0;
}