#include <iostream>
#include <string>

using namespace std;

struct PersonData{
    string name="other name";
    int age = 10;
};

class PersonT {
    public:
        PersonT(string n="none", int a=-1) :
                               name(n), age(a) {
           cout << "in the default constructor for PersonT" << endl;
        }

        PersonT(int a ): name("none"), age(a) {
           cout << "in the age constructor for PersonT" << endl;
        }

        PersonT(double a): PersonT(static_cast<int>(a)) {
            cout << "in the delegated constructor for PersonT" << endl;
            cout << "\tparameter: " << a << " age: " << age << endl;
        }

        PersonT(const PersonData & p): name(p.name), age(p.age) {
           cout << "in the struct constructor for PersonT" << endl;
        }

        string Name(void) const {
           return name;
        }

        int Age(void) const {
           return age;
        }

     private:
         string name;
         int age;
};

ostream & operator<<(ostream & s, const PersonT & p) {
    s << p.Name() << ":" << p.Age();
    return s;
}

int main() {
   PersonData pd;
   PersonT a;
   cout << a << endl << endl;

   PersonT b("hello", 1);
   cout << b << endl << endl;

   PersonT c(4);
   cout << c << endl << endl;

   PersonT d(b);
   PersonT  x = b;

   cout << d << endl << endl;

   PersonT e(pd);
   cout << e << endl << endl;

   PersonT f("goodDay");
   cout << f << endl << endl;

   PersonT g={"ilsit",99};
   cout << g << endl << endl;

   PersonT h(3.14);
   cout << h << endl << endl;


   return 0;
}