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  1. #include <iostream>
  2. #include <tuple>
  3. #include <vector>
  4.  
  5. struct Stream
  6. {
  7.     template<class T> Stream& operator>>(T& t) {
  8. 		t.Serialize(*this);
  9. 		return *this;
  10. 	}
  11.  
  12. 	template<class T> Stream& operator&(T& t) {
  13. 		*this >> t;
  14. 		return *this;
  15. 	}
  16. };
  17.  
  18. template<class T> Stream& operator>>(Stream& stream, std::vector<T>& vec) {
  19. 	T t;
  20. 	stream >> t;
  21. 	vec.push_back(std::move(t));
  22. 	return stream;
  23. }
  24.  
  25. template<std::size_t I, std::size_t S, class ... T> struct TupleRecv {
  26. 	void inline operator()(Stream& stream, std::tuple<T ...>& tuple) {
  27. 		stream >> std::get<I>(tuple);
  28. 		TupleRecv<I + 1, S, T ...>()(stream, tuple);
  29. 	}
  30. };
  31.  
  32. template<std::size_t S, class ... T> struct TupleRecv<S, S, T ...> {
  33. 	void inline operator()(Stream&, std::tuple<T ...>&) {}
  34. };
  35.  
  36. template<class ... T> Stream& operator>>(Stream& stream, std::tuple<T ...>& tuple) {
  37. 	TupleRecv<0, std::tuple_size<std::tuple<T ...>>::value, T ...>()(stream, tuple);
  38. 	return stream;
  39. }
  40.  
  41. Stream& operator>>(Stream& stream, int& i) {
  42. 	// do i
  43. 	i = 9;
  44. 	return stream;
  45. }
  46.  
  47. int main(int,char**) {
  48. 	Stream s;
  49. 	std::vector<std::tuple<int>> data;
  50. 	s >> data;
  51. 	return 0;
  52. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/ZfkpKi
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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