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  1. #include <iostream>
  2.  
  3. template <typename> class test;
  4.  
  5. template <> 
  6. class test<int> {
  7.     int y; 
  8. public:     
  9.     test(int k) : y(k) {}     
  10.     friend std::ostream& operator<<(std::ostream& os, const test& t); 
  11. };  
  12.  
  13. std::ostream& operator<< (std::ostream& os, const test<int>& t) 
  14. {
  15.     return os << t.y;
  16. }  
  17.  
  18. int main()
  19. {
  20. 	test<int> a(42);
  21. 	std::cout << a << std::endl;
  22. }
  23.  
Success #stdin #stdout 0.01s 2724KB
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stdin
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Standard input is empty
stdout
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42
https://ideone.com/1HRlZ
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
secret

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