Function combine

tests/framework/datasets/CartesianProductDataset.h:176–179

 */
template <typename T, typename U>
CartesianProductDataset<T, U> combine(T &&dataset1, U &&dataset2)
{
    return CartesianProductDataset<T, U>(std::forward<T>(dataset1), std::forward<U>(dataset2));
}

/** Helper function to create a @ref CartesianProductDataset.
 *