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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<typename T>
  5. class foo {
  6. 	T a;
  7. public:
  8. 	foo(T a) : a{a} {};
  9. 	friend ostream &operator<<(ostream &cout, foo const& a) {
  10. 		cout << a.a;
  11. 		return cout;
  12. 	}
  13. };
  14.  
  15.  
  16. int main() {
  17. 	foo<int> a = 10;
  18. 	foo<double> b = 3.14;
  19. 	cout << a << " " << b << "\n";
  20. 	return 0;
  21. }
Success #stdin #stdout 0.01s 5220KB
comments (?)
stdin 
Standard input is empty
stdout 
10 3.14
https://ideone.com/XOr6j2
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
secret

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