checkBaseClass created by Hexe - https://repl.it/@Hexe/checkBaseClass

checkBaseClass.cpp

#include <iostream>
/*
 * Class template identification
 */

using namespace std;

template<typename D, typename B>
class IsDerivedFromHelper
{
    class No { };
    class Yes { No no[3]; };

    static Yes Test( B* );
    static No Test( ... );
public:
    enum { Is = sizeof(Test(static_cast<D*>(0))) == sizeof(Yes) };

};

template <class C, class P>
bool IsDerivedFrom() {
    return IsDerivedFromHelper<C, P>::Is;
}

class Person {
public:
    int a;
};

class Student: public Person {};

int main() {

    cout << IsDerivedFrom<Student,Person>() << endl;
    // use this directly in C11, is_base_of<_Derived, _Base>()
    cout << is_base_of<Person, Student>();

    return 0;
}