#include <iostream>
#include <string>

using namespace std;

// a class with a default parameter value for the constructor
class BlabT{
    public:
        
        //BlabT() = delete;
        /*{
            cout << "In the BlabT constructor message = empty" << endl;
        }
        */
        
        BlabT(string msg="None Given") {
            cout << "In the BlabT constructor message = " <<  msg << endl;
        }

};

class TalkT {
    public:
       TalkT(string s): msg{s}{
           cout << "In the TalkT constructor, msg = " << msg << endl;
       };

       string Msg() {
          return msg;
       }
    private:
       string msg {"BAD, you should not see this"};
};

class ComplexT{
    public:
        ComplexT():b2("a"), t2("b"), t1(t2.Msg()), data(4)
        {
            cout << "In the default complex constructor" << endl;
        }
        ComplexT(string p1, string p2 = "s2"): b2(p1), t1(p2),
                            t2("hello"), data(3) {
            cout << "In the other complex constructor" << endl;
        }
    private:
        BlabT b1{"Default in line initialization"};
        BlabT b2;
        BlabT b3;
        TalkT t1;
        TalkT t2;
        int data;
};


int main() {
    cout << " No parameter blabber " << endl;
    BlabT blab0;
    cout << endl << "blabber with a parameter " << endl;
    BlabT blab1("This is a message");

    cout << endl << " A talker " << endl;
    TalkT talk0("hello");
    cout <<endl;

    cout << endl << " A complex with two parameter " << endl;
    ComplexT a("hello", "world");
    cout << endl << " A complex with one parameter " << endl;
    ComplexT b("the End" );
    cout << endl << " A complex with no parameter " << endl;
    ComplexT c;

    return 0;
}