I think it is something more. The copied set is giving completely different elements. If i loop over the copied set i get 32 values from 0 to like 31, when i have in fact added 1000 random elements to the original set before copying.
Nate > On Dec 8, 2020, at 6:43 PM, Robby Findler <[email protected]> wrote: > > No, I don't think that's it. The issue is that one is a mutable set and the > other isn't, so they aren't equal (even if their elements aren't equal). > > > (equal? (mutable-seteqv) (list->seteqv '())) > #f > > Maybe you wanted to call list->mutable-seteqv? Or maybe just start with an > immutable set? > > Robby > > > On Tue, Dec 8, 2020 at 6:40 PM Nathaniel W Griswold <[email protected]> > wrote: > Thanks. Switching to 7.9 now. > > Nate > > > On Dec 8, 2020, at 6:38 PM, Jon Zeppieri <[email protected]> wrote: > > > > I think that's this bug > > [https://github.com/racket/racket/commit/543dab59640fa5e911443baaadaae471406dbf40], > > which should be fixed in 7.9. - Jon > > > > On Tue, Dec 8, 2020 at 7:19 PM Nathaniel W Griswold > > <[email protected]> wrote: > >> > >> I don’t know if i’m missing something or what, but the following is > >> confusing me: > >> > >> (let ([test (mutable-seteqv)]) > >> (for* ([i (in-range 1000)] > >> [j (random 0 1000)]) > >> (set-add! test j)) > >> (let ([test-copy (set-copy test)]) > >> (printf "test-copy=~a\n" (set->list test-copy)) > >> (printf "Equal from stream is ~a\n" (equal? (list->seteqv (set->list > >> test-copy)) test)))) > >> > >> prints something like: > >> test-copy=(31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 > >> 10 9 8 7 6 5 4 3 2 1 0) > >> Equal from stream is #f > >> Equal regular is #t > >> > >> > >> Why is this? > >> > >> Thanks > >> > >> Nate > >> > >> -- > >> 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/ED9A219D-41D8-42BF-9C67-9887ADFB268B%40manicmind.earth. > > -- > 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/B11A3C69-794C-4E45-8C56-311DEB07164C%40manicmind.earth. > > -- > 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/CAL3TdON3V6Qrq3U2xdemoxYzpgXUkDhRsBT3gN%3DYHjZ8aCFfgg%40mail.gmail.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/0AED1D31-2FE2-4637-908D-D57808D55CFB%40manicmind.earth.
