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  1. #include <iostream>
  2.  
  3. template<class D>
  4. struct widget
  5. {
  6. 	void foo() { reinterpret_cast<D*>(this)->bar(); }
  7. };
  8.  
  9. struct gadget : private widget<gadget>
  10. {
  11. 	using widget::foo;
  12. 	void bar() { std::cout << "gadget\n"; }
  13. };
  14.  
  15. int main()
  16. {
  17. 	gadget g;
  18. 	g.foo();
  19. }
  20.  
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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gadget
https://ideone.com/rDL25k
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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