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  1. #include <cstdint>
  2. #include <array>
  3. #include <memory>
  4. #include <utility>
  5.  
  6. template <typename kernel_type, typename... kernel_types>
  7. class MyObsKernel
  8. {
  9. public:
  10.     MyObsKernel(typename std::tuple_element<0, std::tuple<kernel_types...>>::type, kernel_type, int, int) {}
  11. };
  12. template <typename kernel_type, typename... kernel_types>
  13. class MyKernel { public: MyKernel(int , int ) {} };
  14.  
  15. template <typename kernel_type, typename ... kernel_types>
  16. class MetaKernel : public MyKernel<kernel_type, kernel_types...> {
  17. public:
  18.  
  19.     MetaKernel (unsigned int m, unsigned int n, const kernel_type& kernel_, const kernel_types&... kernels_) :
  20.         MyKernel<kernel_type, kernel_types...>(m, n),
  21.         Ks({std::unique_ptr<MyObsKernel<kernel_type, kernel_types...> >(new MyObsKernel<kernel_type, kernel_types...>(kernels_, kernel_, m, n))...})
  22.     {
  23.     }
  24. private:
  25.     std::array<std::unique_ptr< MyObsKernel<kernel_type, kernel_types...>>, sizeof...(kernel_types)> Ks;
  26. };
  27.  
  28. int main()
  29. {
  30.     MetaKernel<int, char, char> m(42, 42, 42, '*', '*');
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0s 3424KB
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https://ideone.com/PTwatb
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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