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  1. #include <iostream>
  2.  
  3. struct Obj
  4. {
  5. 	Obj* GetChild() const { return nullptr; }
  6. };
  7.  
  8. template <typename F>
  9. void DoWork(Obj* obj, int num, F&& func)
  10. {
  11.     func(obj->GetChild());
  12. }
  13.  
  14. void foo(Obj*) { }
  15. void bar(const Obj*) { }
  16.  
  17. int main()
  18. {
  19. 	Obj obj;
  20. 	DoWork(&obj, 42, &foo);
  21. 	DoWork(&obj, 42, &bar);
  22. 	DoWork(&obj, 555, [](const Obj* o){ std::cout << o << std::endl; });
  23. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/dHJdbp
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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