protocol rules question: is an array arg of object ids legal?

[jleivent]

Thanks for the prompt answer!

On Wed, 27 Dec 2023 18:17:32 +0000
Simon Ser <contact at emersion.fr> wrote:

> On Wednesday, December 27th, 2023 at 19:09, jleivent
> <jleivent at comcast.net> wrote:
> 
> > Is it legal for a protocol message to contain an array arg where the
> > contents of the array are Wayland object ids? I don't see any
> > instance of this in any current protocol descriptions I have.  
> 
> Technically nothing prevents this, but this will be pretty awkward
> since client and server will need to convert to/from IDs (plus
> wrapping/unwrapping the wl_proxy for the client) and there won't be
> any type safety. In general it's better to have a request/event
> carrying a single object which can be sent multiple times to
> accumulate a list of objects.