template_class.cpp

#include <iostream>
#include <string>
#include <array>
#include <vector>

using namespace std;

// create template for stack type container
template <class T>
class Pile
{
private:
    vector<T> content;

public:
    unsigned long size()
    {
        return content.size();
    }

    void push(T element)
    {
        content.push_back(element);
    }

    T pop()
    {
        T element = content.at(size() - 1);
        content.pop_back();
        return element;
    }

    bool isEmpty()
    {
        return size() == 0;
    }
};

class Person
{
    string name;
    int year;

public:
    Person()
    {
        name = " name1 ";
        year = 1986;
    }

    Person(const string &n, int y)
    {
        name = n;
        year = y;
    }

    friend ostream &operator<<(ostream &os, Person p)
    {
        os << "name: " << p.name << " , year birth :" << p.year;
    }
};

int main()
{

    Pile<int> intPile;

    intPile.push(3);
    intPile.push(-3);
    intPile.push(-33);

    cout << "pile size :" << intPile.size() << endl;

    while (!intPile.isEmpty())
    {
        cout << "removing " << intPile.pop() << "  ";
    }

    Pile<Person> persPile;

    persPile.push(Person("toto", 2000));
    persPile.push(Person("titi", 1900));
    persPile.push(Person("tata", 1960));

    cout << "pile pers  size :" << persPile.size() << endl;

    while (!persPile.isEmpty())
    {
        cout << "removing " << persPile.pop() << "  ";
    }

    cout << "\n\n normal end of the program" << endl;
    return 0;
}