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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Foo
  5. {
  6. public:
  7. 	Foo()
  8. 	{
  9. 		cout << "Constructed!" << endl;
  10. 	}
  11.  
  12. 	Foo(const Foo&)
  13. 	{
  14. 		cout << "Copied!" << endl;
  15. 	}
  16.  
  17. 	Foo(Foo&&)
  18. 	{
  19. 		cout << "Moved!" << endl;
  20. 	}
  21.  
  22. 	int data = 3;
  23. };
  24.  
  25. Foo returns_a_foo(Foo foo)
  26. {
  27. 	cout << "infun" << endl;
  28. 	foo.data = 5;
  29. 	return foo;
  30. }
  31.  
  32. int main() {
  33. 	Foo foo = returns_a_foo(Foo());
  34. 	cout << "Foo's data is " << foo.data << endl;
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
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Standard input is empty
stdout
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Constructed!
infun
Moved!
Foo's data is 3
https://ideone.com/TddXn7
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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