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 <ro...@cs.northwestern.edu> 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 <nate@manicmind.earth> > wrote: > Thanks. Switching to 7.9 now. > > Nate > > > On Dec 8, 2020, at 6:38 PM, Jon Zeppieri <zeppi...@gmail.com> 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 > > <nate@manicmind.earth> 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 racket-users+unsubscr...@googlegroups.com. > >> 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 racket-users+unsubscr...@googlegroups.com. > 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 racket-users+unsubscr...@googlegroups.com. > 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 racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/0AED1D31-2FE2-4637-908D-D57808D55CFB%40manicmind.earth.
