Thanks , that did the trick. Apperent; string/reverse works different from reverse
One question : what does into do and does (empty x) means if x is empty or do you make a empty copy of x. Roelof Op woensdag 7 oktober 2015 20:07:00 UTC+2 schreef Moe Aboulkheir: > > Roelof, > > Something like this: > > (defn palindrome [x] > (if (string? x) > (clojure.string/reverse x) > (into (empty x) (reverse x)))) > > Alternatively, you may want to consider explicitly using seq on your > inputs when you get them, and using that of the basis of comparison & input > to reverse. If you don't actually care about the concrete sequence type > (i.e. you only want sensible equality semantics after reversing something), > dropping it as soon as possible may be a better strategy. > > Take care, > Moe > > On Wed, Oct 7, 2015 at 6:51 PM, Roelof Wobben <wobben...@gmail.com > <javascript:>> wrote: > >> Hello, >> >> I try to solve a problem for 4clojure where I have to make a palingdrome >> detector. >> >> So for trying I did this : >> >> (ns fourclojure.core >> (:gen-class)) >> >> >> (defn palingdrome [string] >> ( reverse string)) >> >> (apply str (palingdrome '( 1 2 3) )) '321' >> (apply str (palingdrome "Roelof" )) "foleoR" >> >> (defn palingdrome2 [string] >> ( reverse string)) >> >> (palingdrome2 '( 1 2 3) ) ( 3 2 1 ) >> (palingdrome2 "Roelof" ) (\f \o \l \e \o \R) >> >> So it works for a map or for a string. >> >> Is there a way I can make it work for both ? >> >> Roelof >> >> >> >> -- >> 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 >> <javascript:> >> Note that posts from new members are moderated - please be patient with >> your first post. >> To unsubscribe from this group, send email to >> clojure+u...@googlegroups.com <javascript:> >> 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+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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. For more options, visit https://groups.google.com/d/optout.
