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  1. #include <functional>
  2. #include <iostream>
  3.  
  4. class Timer
  5. {
  6. 	std::function<void()> _f;
  7. public:
  8. 	Timer(std::function<void()> && f) : _f(f) {}
  9. 	void mach()
  10. 	{
  11. 		_f();
  12. 	}
  13. };
  14.  
  15. class X
  16. {
  17. public:
  18. 	int i;
  19. 	void function()
  20. 	{
  21. 		std::cout << "X: " << i << '\n';
  22. 	}
  23. };
  24.  
  25. void fun()
  26. {
  27. 	std::cout << "fun()\n";
  28. }
  29.  
  30. int main()
  31. {
  32. 	X x;
  33. 	x.i = 23;
  34. 	X x2;
  35. 	x2.i = 4711;
  36. 	Timer t(std::bind(&X::function, &x));
  37. 	Timer t2(std::bind(&X::function, &x2));
  38. 	Timer t3(&fun);
  39. 	t.mach();
  40. 	t2.mach();
  41. 	t3.mach();
  42. }
  43.  
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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X: 23
X: 4711
fun()
https://ideone.com/ItU0W1
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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