C / C++ / MFC

Hamid. wrote:

We are clever guys

Greetings.
--------
M.D.V.

If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
“The First Rule of Program Optimization: Don't do it. The Second Rule of Program Optimization (for experts only!): Don't do it yet.” - Michael A. Jackson

emmmatty1 wrote:

The internet connection can be in the form of dial up...

class A {
  public:
    A() {printf ("A: I am in constructor\n");i = 1;}
    ~A() { printf ("A: I am in destructor\n"); i = 0;}
    A(const A& a) {printf ("A: I am in copy constructor\n"); i = a.i;}
    int i, x, w;
};
 class B {
  public:
    A a;
    B()  { printf ("B: I am in constructor\n");}
    ~B() { printf ("B: I am in destructor\n");}
    B(const B& b) { printf ("B: I am in copy constructor\n");}
};
A MyMethod()
{
    B* b = new B();
    A a = b->a;
    delete b;
    return (a);
}
int main()
{
    A a;
    a = MyMethod();
}

George_George wrote:

I do not understand why there is still copy constructor invoked?

A a = b->a;