Use C++ to pass a function a base class and return a derived class, user defined variables

Sorry I haven’t had any new apache batik/svg updates.
I’m into some C++ work now and haven’t had time to work on it.
Pointers, I hate them, definitely a pain in the butt.
I searched all day on the internet and couldn’t find any examples showing me how to do what I wanted. I finally took a look at some old third party code I have & figured out what I needed.
So here’s a rundown of what I was trying to do and what I figured out.
I have a base class A with an int x.
I have a bunch of derived classes of A, each with their own set of variables.
Let’s work with derived class B, which has a double i.
I have a function which accepts an A and sets an array of user defined variables for each derived class.
The array type is a struct, part of which is a union made up of pointers to each derived class.
class A
{
int x;
}

class B : public A
{
double i;
}

union P
{
B* b;
.
.
.
.
}

struct Row
{
int status;
P p;
}

Row values[2];

void setInfo( int index, A* _a )
{
// just for this example, i know _a is a B
values[index].p.b = static_cast(B*)(_a);
}

I call setInfo like this:
B* b1 = new B( 4, 5.2 ); // 4 gets passed to base class A, so x = 4, i = 5.2
BTW setInfo lives in another class c, so
c->setInfo( 0, b1 );

Ok. Now I want a get function to return B, but I need it returned in the parameter list, not the easy way by using the function return value. The reason for this is in my real work, I have multiple values which need to be returned.
So here’s what my get function looks like:

getInfo( int index, A& _a )
{
// just for this example, i know _a is a B
(static_cast(A&)(_a)) = (*values[index].p.b);
}

I call getInfo like this:
B b2;
c->getInfo( 0, b2 );

Beautiful.

So this is how I pass a function multiple base class parameters and return multiple derived class parameters containing user defined variables. Easy enough I guess. I still hate pointers though.

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