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  1. #include <iostream>
  2. #include <tuple>
  3. #include <utility>
  4.  
  5. template <unsigned int N>
  6. struct printer
  7. {
  8. 	template <typename ...Args, typename T>
  9.     static void print(std::tuple<Args...> & t, T && x)
  10.     {
  11.     	std::get<sizeof...(Args) - N>(t) << x;
  12.     	printer<N - 1>::print(t, std::forward<T>(x));
  13.     }
  14. };
  15.  
  16. template <>
  17. struct printer<0>
  18. {
  19.     template <typename ...Args, typename T>
  20.     static void print(std::tuple<Args...> &, T &&) {}
  21. };
  22.  
  23. template <typename ...Args, typename T>
  24. void operator<<(std::tuple<Args...> && t, T && x)
  25. {
  26.     printer<sizeof...(Args)>::print(t, std::forward<T>(x));
  27. }
  28.  
  29. int main()
  30. {
  31. 	std::tie(std::cout, std::cout) << "Foo\n";
  32. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
Foo
Foo
https://ideone.com/RYPOGw
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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