On Sat, Aug 7, 2010 at 6:55 PM, Michael Gardner <gardne...@gmail.com> wrote: > On Aug 7, 2010, at 8:48 PM, Michael Gardner wrote: > >> On Aug 7, 2010, at 8:39 PM, gary ng wrote: >> >>> nice, why do I need the gensym ? >> >> The gensym was just a cheesy way of generating a unique value. > > To elaborate a bit more on my failure, I was reading the docs for > partition-by thinking that "new value" meant a value not before seen, not > simply a different value from the previous one. Then I accidentally hit > 'send' before I could test it and realize my mistake. > Using your partition-by help, this is what I come up
user=> (map (fn [l] (map second l)) (partition-by first (rest (reductions (fn [a e] [(if (even? e) (gensym) (first a)) e]) [(gensym)] [1 2 3 7 5 4 1])))) ((1) (2 3 7 5) (4 1)) -- 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
