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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Foo
  5. {
  6. public:
  7. 	Foo() = default;
  8. 	//Foo() {}
  9. 	template<class... T>
  10. 	Foo(T&&... args) : a(123)
  11. 	{
  12. 		cout << "why not enter?" << endl;
  13. 	}
  14. 	int a;
  15. };
  16. int main() {
  17. 	int b = 5;
  18. 	Foo f = Foo(1, b);
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
why not enter?
https://ideone.com/W26q8L
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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