Inheriting constructors

Question

Why does this code:

class A
{
    public: 
        explicit A(int x) {}
};

class B: public A
{
};

int main(void)
{
    B *b = new B(5);
    delete b;
}
         


        

Answer 1

How about using a template function to bind all constructors?

template  Derived(T... t) : Base(t...) {}