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  1. #include <iostream>
  2.  
  3. struct A {
  4.     void Foo() { std::cout << "foo" << std::endl; }
  5. };
  6.  
  7. struct B : A {
  8.     A* operator->() { return &a; }
  9.     A a;
  10. };
  11.  
  12. struct C : B {
  13.     B& operator->() { return b; }
  14.     B b;
  15. };
  16.  
  17. struct D : C {
  18.     C& operator->() { return c; }
  19.     C c;
  20. };
  21.  
  22. int main()
  23. {
  24.     D d;
  25.     d->Foo();
  26. }
  27.  
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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foo
https://ideone.com/rw1hGJ
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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