On Wednesday, November 2, 2011 11:37:32 AM UTC+2, HamsterofDeath wrote: > > hi there, > > i stumbled over two odd things > 1) -> and ->> have the same source code. why is that? > Similar, but not the same [1]: (~(first form) ~x ~@(next form)) vs. (~(first form) ~@(next form) ~x)
> 2) why can't i use "(-> "hi" #(println %))" directly? why do i have to > put my function into a symbol first? is there a way to avoid this? > #(println %) expands to (fn [%] (println %)) so (-> "hi" #(println %)) expands to (fn "hi" [%] (println %)). Note also that (-> "hi" println) would work since it's transformed into (println "hi"). Also, the form (-> "hi" (#(println %))) should also work fine. /jonas [1] https://github.com/clojure/clojure/blob/f5f827ac9fbb87e770d25007472504403ed3d7a6/src/clj/clojure/core.clj#L1528 -- 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
