Thank you all! On Friday, July 19, 2019 at 4:49:33 PM UTC+1 art.gol...@gmail.com wrote:
> Seven years later, a big thank you from me. I was also being driven crazy > by this bug. It is insane that this not better documented. In any case it > should have been fixed by now. > > > On Thursday, November 22, 2012 at 2:51:03 AM UTC-5, Baishampayan Ghose > wrote: > >> Christian, >> >> defmulti has defonce-like semantics which I guess is to prevent the >> associated defmethods from being wiped out when the form is recompiled. >> >> Cite - >> https://github.com/clojure/clojure/blob/master/src/clj/clojure/core.clj#L1622 >> >> -BG >> > On Wed, Nov 21, 2012 at 11:45 PM, Christian Sperandio < >> christian...@gmail.com> wrote: >> > Thank you ! >>> I became crazy because I didn't see the problem in my code. >>> >>> Why is there this issue with multi-methods? (and not with standard >>> functions) >>> >>> >>> Chris >>> >> >>> Le 22 nov. 2012 à 02:34, grinnbearit <sidhant...@gmail.com> a écrit : >>> >>> Hi Chris, >>> >>> If you change multimethod arities you'll have to def the multimethod to >>> nil or restart the swank/nrepl server. It doesn't update that on >>> recompilation. >>> >>> Sidhant >>> >>> On Thursday, November 22, 2012 3:44:10 AM UTC+5:30, Christian Sperandio >>> wrote: >>>> >>>> Hi, >>>> >>>> I try to define multi-methods but when I call one I get an exception. >>>> >>>> I declared the multi-methods like below: >>>> >>>> (defmulti new-food-item (fn [food expiration] >>>> (if (number? expiration) >>>> ::duration >>>> ::expiration-date))) >>>> >>>> (defmethod new-food-item ::duration [food expiration-duration] >>>> (let [expiration-date (GregorianCalendar.)] >>>> (.add expiration-date GregorianCalendar/DAY_OF_MONTH >>>> expiration-duration) >>>> {:name food :expiration-date expiration-date})) >>>> >>>> (defmethod new-food-item ::expiration-date [food expiration-date] >>>> {:name food :expiration-date expiration-date}) >>>> >>>> >>>> And when I do: (new-food-item "tomatoes" 5) >>>> I get this exception: >>>> ArityException Wrong number of args (2) passed to: core$class >>>> clojure.lang.AFn.throwArity (AFn.java:437) >>>> >>>> I don't understand where is the problem :/ >>>> >>>> Some help? >>>> >>>> Thank you. >>>> >>>> Chris >>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Clojure" group. >>> To post to this group, send email to clo...@googlegroups.com >>> Note that posts from new members are moderated - please be patient with >>> your first post. >>> To unsubscribe from this group, send email to >>> >>> clo...@googlegroups.com >>> >>> >>> For more options, visit this group at >>> http://groups.google.com/group/clojure?hl=en >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Clojure" group. >>> To post to this group, send email to clo...@googlegroups.com >>> Note that posts from new members are moderated - please be patient with >>> your first post. >>> To unsubscribe from this group, send email to >>> >> clo...@googlegroups.com >>> >> >>> For more options, visit this group at >>> http://groups.google.com/group/clojure?hl=en >>> >> >> >> >> -- >> Baishampayan Ghose >> b.ghose at gmail.com >> > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/clojure/03082584-6922-4c19-be1e-8f9ae0bdfb13n%40googlegroups.com.
