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  1. #include <iostream>
  2. #include <functional>
  3. #include <memory>
  4.  
  5. struct Test{
  6. 	int a;
  7. 	void func(int i){
  8. 		std::cout << "Quark!" << i + a << std::endl;
  9. 	}
  10.  
  11. 	Test(int v) : a(v){
  12. 	}
  13. };
  14.  
  15. int main() {
  16. 	Test t = 10;
  17. 	auto ptr = &t;
  18. 	auto unip = std::unique_ptr<Test>(new Test(100));
  19.  
  20. 	auto func = std::mem_fn(&Test::func);
  21. 	func(t,1);
  22. 	func(ptr,2);
  23. 	func(unip,3);
  24.  
  25. 	auto a = std::mem_fn(&Test::a);
  26. 	a(t) = 10;
  27. 	a(ptr) = 20;
  28. 	a(unip) = 30;
  29.  
  30. 	func(t,1);
  31. 	func(ptr,2);
  32. 	func(unip,3);
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin
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Standard input is empty
stdout
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Quark!11
Quark!12
Quark!103
Quark!21
Quark!22
Quark!33
https://ideone.com/pqm0Y1
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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