File: test_cxx11_constexpr.cpp

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libcrypto%2B%2B 8.9.0-2
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constexpr int fact(int n)
{
    return n <= 1 ? 1 : (n * fact(n - 1));
}

int main(int argc, char* argv[])
{
    fact(4);
    return 0;
}