fork download 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct A { virtual ~A() = default; int a=1; };
  5. struct B { virtual ~B() = default; int b=2; };
  6. struct C : A, B { int c=3; };
  7.  
  8. void p(C* c) {
  9. 	B* b = c;
  10. 	cout << (void*)b << endl;
  11. }
  12.  
  13. void r(C& c) {
  14. 	B& b = c;
  15. 	cout << (void*)&b << endl;
  16. }
  17.  
  18. void pr(C* c) {
  19. 	p(c);
  20. 	r(*c);
  21. }
  22.  
  23. int main() {
  24. 	pr(nullptr);
  25. }
  26.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
0
0x10
https://ideone.com/A1mFYA
dereferencing nullptrs and base shift.
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!