My solution is very wrong, sorry for that. I am just wondering, cant we use memfn to make lastIndexOf as a first class function here?
areduce can be used too. (defn last-indexof [cs c] (areduce cs i lst-idx -1 (if (= c (aget cs i)) i lst-idx))) (-> "aabbccd" to-array (last-indexof \c)) Regards. Jestan Nirojan On Nov 12, 12:07 pm, Jestan Nirojan <jestanniro...@gmail.com> wrote: > I think regex free solution is best for this > > (defn last-indexof [s c] > (->> s (filter #(= c %)) count dec) > > On Nov 12, 3:36 am, "jongwon.choi" <oz.jongwon.c...@gmail.com> wrote: > > > > > > > > > Hi > > > I'm wondering the best way to express: > > > (position #\a "abba" :from-end t) > > > Should I use interop? > > > (.lastIndexOf "abba" (int \a)) > > > Thanks! -- 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