Many thanks John, I’ve just posted it there. Tim
> On 3 Feb 2022, at 23:17, 'John Clements' via Racket Users > <[email protected]> wrote: > > Sounds like a good question to me. Perhaps it would make sense to post it to > the discourse group, instead? I’m happy to ask on your behalf if you don’t > feel like it. > > https://racket.discourse.group/ > > John > >> On Feb 3, 2022, at 5:58 AM, Tim Jervis <[email protected]> wrote: >> >> Dear Racketeers, >> >> Is there something I have misunderstood about vectors, boxes and places >> which might explain why immutable boxes are not place-message-allowed, but >> immutable vectors are? >> >>> (place-message-allowed? (box-immutable #f)) >> #f >>> (place-message-allowed? (vector-immutable #f)) >> #t >>> >> >> c.f. >> >> https://docs.racket-lang.org/reference/boxes.html >> >> A box is like a single-element vector, normally used as minimal mutable >> storage. >> >> Best, >> >> Tim >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Racket Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/racket-users/878F140E-3160-4B88-BB8B-4C04B1668BCB%40timjervis.com. > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/3b47b917-cbd6-48f2-8def-b71e396f5d63%40mtasv.net. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/C3D7BA4A-FCEA-419C-AD16-DD267254984A%40timjervis.com.
