Question

What happens if you pass a pointer to a non-polymorphic type as an argument to the typeid operator?

Cosmo · Accepted Answer

For example,

...
class A{};
class B: public A {};
...
A * a = new B();
std::cout<


will print "class A *"

Cosmo · Accepted Answer

Information about the static type of the argument will be provided.

Cosmo · Answer

bad::typeid exception will be thrown

Cosmo · Answer

Compilation error

Cosmo · Answer

Runtime error