Method owndata

include/pybind11/numpy.h:1192–1194

If set, the array owns the data (will be freed when the array is deleted)

    /// If set, the array owns the data (will be freed when the array is deleted)
    bool owndata() const {
        return detail::check_flags(m_ptr, detail::npy_api::NPY_ARRAY_OWNDATA_);
    }

    /// Pointer to the contained data. If index is not provided, points to the
    /// beginning of the buffer. May throw if the index would lead to out of bounds access.