arangodb/cmake/CheckCXX11Features/cxx11-test-range_based_for_loop.cpp

int main() {
    int my_array[5] = {1, 2, 3, 4, 5};
    
    for (int &x : my_array) {
        x *= 2;
    }
    
    for (auto &x : my_array) {
        x *= 2;
    }

}