>
> Hi Antoine,
>
> Thanks for the clarification and apologies for not being explicit earlier.
>
> This question is primarily about the "Rust implementation (arrow-rs)",
> specifically the IPC stream reader/writer and the Arrow C Stream interface
> as exposed in Rust. The immediate motivation comes from working with
> arrow-rs IPC streams that are not transported via Flight.
>
> That said, I’m thinking about this at the IPC format / cross-language
> level, since any addition like application_data or an Empty message type
> would ideally be usable across implementations (e.g., Rust, PyArrow), even
> if the initial prototyping happens in `arrow-rs`.
>
> I’ve updated the subject to reflect that this is about arrow-rs / Rust IPC
>
> Thanks again for the guidance, and I appreciate you taking a look.
>
> Best regards,
> Vignesh
>
