cxx11-test-constexpr.cpp

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constexpr int square(int x)
{
  return x*x;
}

constexpr int the_answer()
{
  return 42;
}

int main()
{
  int test_arr[square(3)];
  bool ret = (
    (square(the_answer()) == 1764) &&
    (sizeof(test_arr)/sizeof(test_arr[0]) == 9)
  );
  return ret ? 0 : 1;
}