yeah, i just looked at the logs and i see reference to this exact thing several days before i even asked. you devs are scary good! <div class="gmail_quote">On Sat, Nov 26, 2011 at 18:06, Robby Findler <<a href="mailto:robby@eecs.northwestern.edu">robby@eecs.northwestern.edu</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Oh, sorry-- it was changed before you sent your message. :) Robby <div class="HOEnZb"><div class="h5"> On Sat, Nov 26, 2011 at 5:05 PM, ozzloy <<a href="mailto:ozzloy@gmail.com">ozzloy@gmail.com</a>> wrote: > wow, that was really fast. thanks! > > On Sat, Nov 26, 2011 at 09:37, Robby Findler <<a href="mailto:robby@eecs.northwestern.edu">robby@eecs.northwestern.edu</a>> > wrote: >> >> This has been changed in the current pre-release version, available >> from git and via a nightly build: >> >> <a href="http://pre.racket-lang.org/installers/" target="_blank">http://pre.racket-lang.org/installers/</a> >> >> Robby >> >> On Fri, Nov 25, 2011 at 3:22 PM, ozzloy <<a href="mailto:ozzloy@gmail.com">ozzloy@gmail.com</a>> wrote: >> > i was writing a unit test which had something analogous to the >> > following: >> > (check-equal? #rx"a" #rx"a") => raises exn:test:check >> > so i checked and sure enough: >> > (equal? #rx"a" #rx"a) => #f >> > which led me to look for a regexp-equal? so i could do (check >> > regexp-equal? >> > #rx"a" #rx"a") >> > that doesn't exist, so i wrote one: >> > (define (regexp-equal? a b) >> > (and (and (regexp? a) >> > (regexp? b)) >> > (or (and (pregexp? a) >> > (pregexp? b)) >> > (and (not (pregexp? a)) >> > (not (pregexp? b)))) >> > (equal? (object-name a) >> > (object-name b)))) >> > why not just have (equal? #rx"a" #rx"a") => #t ? >> > anticipated objection: "what should equal? mean for two regexps?" >> > it should mean that the patterns are identical, totally ignoring that >> > two >> > non-identical patterns might match exactly the same set, like #rx"(a|b)" >> > and >> > #rx"(b|a)". >> > i see in the docs that there is an internal regexp value. if those are >> > what >> > i think they are, i propose equal? just compares those for regexes. >> > >> > _________________________________________________ >> > For list-related administrative tasks: >> > <a href="http://lists.racket-lang.org/listinfo/users" target="_blank">http://lists.racket-lang.org/listinfo/users</a> >> > > > </div></div></blockquote></div>