C++: how to choose the constructor depending on the condition?

Question

Assume I have a class with different constructors:

class A
{
public:
    A(char* string)
    {
        //...
    }

    A(int value)
    {
        //..
    }

           


        

Answer 1

You can't satisfy all your stated requirements.

If you can get rid of the requirement for the object to be on stack, you could use a pointer.

A *a;
if (isTrue())
    a = new A("string");
else
    a = new A(10);
a->check();
delete a;