Miscellany
public text v1 · immutableclass A;
class A1 : public A
class A2 : public A
class BA1 : public A1
class BA2 : public A2
how to check if BA1 is derived from A1 or A2 ?class A;
class A1 : public A
class A2 : public A
class BA1 : public A1
class BA2 : public A2
how to check if BA1 is derived from A1 or A2 ?