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  1. #include <iostream>
  2.  
  3. template<typename T, T const array[], int I>
  4. struct Indexer
  5. {
  6.   static const T value = array[I];
  7. };
  8.  
  9. constexpr int foo[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
  10.  
  11. enum Bar
  12. {
  13.   value1 = Indexer<int, foo, 1>::value, 
  14.   value3 = Indexer<int, foo, 3>::value, 
  15.   value7 = Indexer<int, foo, 7>::value, 
  16. };
  17.  
  18. int main()
  19. {
  20.    std::cout << Bar::value3 << std::endl;
  21. }
Success #stdin #stdout 0s 2852KB
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https://ideone.com/QlXZ8P
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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