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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. class A{
  5.     public:
  6.         int a=15;
  7. };
  8. class B:public A
  9. {
  10.  
  11. };
  12. int main(){
  13.  
  14.     int A::*ptr=&B::a; //OK
  15.     int B::*ptr1=&A::a; //why?
  16.     int B::A::*ptr2=&B::a;//why?
  17.     int B::A::*ptr3=&A::a;  //why?
  18.  
  19. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
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Standard output is empty
https://ideone.com/Cz2Bmg
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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