Method mutable_data

include/pybind11/numpy.h:1207–1210

    /// May throw if the array is not writeable.
    template <typename... Ix>
    void *mutable_data(Ix... index) {
        check_writeable();
        return static_cast<void *>(detail::array_proxy(m_ptr)->data + offset_at(index...));
    }

    /// Byte offset from beginning of the array to a given index (full or partial).
    /// May throw if the index would lead to out of bounds access.