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  1. #include <cassert>
  2. #include <functional>
  3.  
  4. using namespace std;
  5.  
  6. class Child;
  7. class Parent
  8. {
  9. public:
  10. 	virtual ~Parent() {}
  11.  
  12. 	function<void()> funcPointer;
  13. 	function<void(Parent*)> funcPointer2;
  14. 	void (Child::*funcPointer3)();
  15. };
  16.  
  17. class Child : public Parent
  18. {
  19. public:
  20. 	void TestFunc() {
  21.  
  22. 	}
  23. 	void Do() {
  24. 		funcPointer = bind(&Child::TestFunc, this);
  25. 		funcPointer2 = [](Parent* arg) { 
  26. 			assert(dynamic_cast<Child*>(arg) != nullptr);
  27.  
  28. 			static_cast<Child*>(arg)->TestFunc();
  29. 		};
  30. 		funcPointer3 = &Child::TestFunc;
  31. 		funcPointer();
  32. 		funcPointer2(this);
  33. 		(this->*funcPointer3)();
  34. 	}
  35. };
  36.  
  37. int main() {}
Success #stdin #stdout 0s 3408KB
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https://ideone.com/yD7Rom
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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