#include <iostream>
    #include <typeinfo>
    using namespace std;
    class shapeClass
    {
        public:
        virtual void Virtualfunc() const {}
    };
    class NewTriangle: public shapeClass
    {
        public:
        virtual void Virtualfunc() const
        {   
        };
    };
    int main()
    {
        shapeClass shape_object;
        shapeClass &Ref_shape = shape_object;
        try 
        {
            NewTriangle &Ref_NewTriangle = dynamic_cast<NewTriangle&>(Ref_shape);
        }
        catch (bad_cast) 
        {
            cout << "Exception caught by bad_cast";
        }
        return 0;
    }