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  1. #include <iostream>
  2. #include <utility>
  3. #include <array>
  4.  
  5. template <typename... Args>
  6. void foo (Args&&... args) {
  7.     const auto v = {args...};
  8.     for (auto x : v) std::cout << x << ' ';     std::cout << '\n';
  9. }
  10.  
  11. template <typename> struct Foo;
  12.  
  13. template <std::size_t... Is>
  14. struct Foo<std::index_sequence<Is...>> {
  15.     template <typename Container>  // *** Modified
  16.     static void execute (const Container& v, void (*f)(decltype(v[Is])&...)) {
  17.         f(v[Is]...);
  18.     }
  19. };
  20.  
  21. template <std::size_t N>
  22. void fooArray (const std::array<int, N>& a) {
  23.     Foo<std::make_index_sequence<N>>::execute(a, foo);
  24. }
  25.  
  26. int main() {
  27.     fooArray<6>({0,1,2,3,4,5});
  28. }
  29.  
Success #stdin #stdout 0s 3096KB
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https://ideone.com/QeAyq0
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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