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  1. #include <list>
  2. #include <tuple>
  3.  
  4. struct RawTable { };
  5.  
  6. struct Table
  7. {
  8. 	template<class Type> 
  9. 	struct Meta
  10. 	{
  11. 		Meta(const char * columnName) : columnName(columnName) { }
  12.  
  13. 		using type = Type;
  14. 		const char * const columnName;
  15. 		// . . .
  16. 	};
  17.  
  18. 	template<class... MetaArgs>
  19. 	static inline
  20. 	auto parse(RawTable&&, MetaArgs&&...) -> std::list<std::tuple<typename MetaArgs::type...>>
  21. 	{
  22. 		return std::list<std::tuple<typename MetaArgs::type...>>();
  23. 	}
  24. };
  25.  
  26. int main()
  27. {
  28. 	for (std::tuple<bool,int> & tuple : Table::parse(RawTable(), 
  29. 	                                                 Table::Meta<bool>("field1"),
  30. 	                                                 Table::Meta<int>("field2")))
  31. 	{
  32. 		(void)tuple;
  33. 		//TODO
  34. 	}
  35.  
  36. 	return 0;
  37. }
  38.  
Success #stdin #stdout 0s 3408KB
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https://ideone.com/daSJbY
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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