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  1. #include <array>
  2. #include <iostream>
  3.  
  4. constexpr int b = 2, c = 3;
  5. constexpr int a = b * c;
  6.  
  7. class Foo {
  8. public:
  9.     std::array<int, a> data;
  10. };
  11.  
  12. int main() {
  13.     Foo f {};
  14.     std::cout << sizeof(f.data) / sizeof(decltype(f.data)::value_type) << std::endl;
  15. }
Success #stdin #stdout 0s 3468KB
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https://ideone.com/NKkRMJ
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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