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  1. #include <iostream>
  2. #include <tuple>
  3. #include <vector>
  4.  
  5. class Stream
  6. {
  7. public:
  8.     template<class T> Stream& operator>>(T &t)
  9. 	{
  10. 		t.Serialize(*this);
  11. 		return *this;
  12. 	}
  13.  
  14. 	template<class T> Stream& operator&(T &t)
  15. 	{
  16. 		*this >> t;
  17. 		return *this;
  18. 	}
  19. private:
  20. };
  21.  
  22. template<class T> Stream& operator>>(Stream &stream, std::vector<T>& vec)
  23. {
  24. 	T t;
  25. 	stream >> t;
  26. 	vec.push_back(std::move(t));
  27. }
  28.  
  29. template<std::size_t I, std::size_t S, class ... T> class TupleRecv
  30. {
  31. public:
  32. 	void inline operator()(Stream& stream, std::tuple<T ...>& tuple)
  33. 	{
  34. 		stream >> std::get<I>(tuple);
  35. 		TupleRecv<I + 1, S, T ...>()(stream, tuple);
  36. 	}
  37. private:
  38. };
  39.  
  40. template<std::size_t S, class ... T> class TupleRecv<S, S, T ...>
  41. {
  42. public:
  43. 	void inline operator()(Stream&, std::tuple<T ...>&)
  44. 	{
  45. 	}
  46. private:
  47. };
  48.  
  49. template<class ... T> Stream& operator>>(Stream &stream, std::tuple<T ...>& tuple)
  50. {
  51. 	TupleRecv<0, std::tuple_size<std::tuple<T ...>>::value, T ...>()(stream, tuple);
  52. 	return stream;
  53. }
  54.  
  55. Stream& operator>>(Stream& stream, int& i)
  56. {
  57. 	// do i
  58. 	i = 9;
  59. 	return stream;
  60. }
  61.  
  62. Stream& operator>>(Stream& stream, char& c)
  63. {
  64. 	// do c
  65. 	c = 'a';
  66. 	return stream;
  67. }
  68.  
  69. int main(int,char**)
  70. {
  71. 	Stream s;
  72. 	std::vector<std::tuple<int, char>> data;
  73. 	s >> data;
  74. 	return 0;
  75. }
Success #stdin #stdout 0s 3424KB
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Standard input is empty
stdout 
Standard output is empty
https://ideone.com/a34JtE
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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