(dorun(map #(println"Happy Birthday %s"(if(= 2 %)"Dear XXX""To You"))(range 4))) ; -> 80 chars should produce the correct output at the repl. This is probably the most correct one.
can we get shorter? :) On Fri, Sep 18, 2009 at 12:24 AM, Wilson MacGyver <wmacgy...@gmail.com>wrote: > > Hmmm, your solution produces nils in REPL. > > user=> (map #(printf "Happy Birthday %s\n" (if (= 2 %) "Dear XXX" "To > You")) (range 4)) > (Happy Birthday To You > Happy Birthday To You > nil Happy Birthday Dear XXX > nil Happy Birthday To You > nil nil) > > > On Fri, Sep 18, 2009 at 12:19 AM, Krukow <karl.kru...@gmail.com> wrote: > > > > > > > > On Sep 18, 5:53 am, Wilson MacGyver <wmacgy...@gmail.com> wrote: > >> This blog post got me thinking. > http://www.artima.com/weblogs/viewpost.jsp?thread=268561 > >> > >> Basically it contains both a Java one liner and Scala one liner. > >> > >> Java: > >> for(int i=0; i<4; i++) { System.out.println("Happy Birthday " + (i==2 > >> ? "Dear XXX" : "To You")); } > >> > >> Scala: > >> (1 to 4).map { i => "Happy Birthday %s".format(if (i == 3) "Dear XXX" > >> else "To You") }.foreach { println(_) } > >> > >> the goal is to generate > >> > >> Happy Birthday To You > >> Happy Birthday To You > >> Happy Birthday Dear XXX > >> Happy Birthday To You > >> > >> I started thinking about how to do this in clojure. My first reaction > was to > >> think of the sentences as two sequences. Uses replicate to generate > >> them, and map str to join them from two collections. > > > > I'd probably just do the scala version :-) > > > > (map #(printf "Happy Birthday %s\n" (if (= 2 %) "Dear XXX" "To You")) > > (range 4)) > > > > But remember that the sequence is lazy, so type it directly into repl > > or wrap in doall. > > > > /Karl > > > > > > > > > -- > Omnem crede diem tibi diluxisse supremum. > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
