xtensor_2_N_7.hpp

template <size_t dim = 0, class S>
auto raw_data_offset(const S&) noexcept
{
    return typename S::value_type(0);
}

template <size_t dim = 0, class S, class I, class... Args>
auto raw_data_offset(const S& strides, I i, Args... args) noexcept
{
    return i * strides[dim] + raw_data_offset<dim + 1>(strides,
                                                       args...);
}