Hi, threading doesn't need to be a macro. In fact it would be easier to test if it's just a function.
Also, you know about as->, don't you? On Fri, Aug 28, 2015 at 2:37 PM, Akhil Wali <green.transis...@gmail.com> wrote: > I've been trying to refactor the -> and ->> forms to use a common macro > form. > Ended up with this. > > (defmacro threading [a b x forms] > (loop [x x > forms forms] > (if forms > (let [form (first forms) > f (first form) > r (rest form) > threaded (if (seq? form) > (with-meta > `(~f ~`(~a ~`(list ~x ~@r)) > ~`(~b ~`(list ~x ~@r))) > (meta form)) > (list form x))] > (recur threaded (next forms))) > x))) > > (defmacro -> [x & forms] > `(threading ~'first ~'second > ~x ~forms)) > > (defmacro ->> [x & forms] > `(threading ~'second ~'first > ~x ~forms)) > > > This does work, but it's a bit of whammy. > Anyone with suggestions for improvement? > > -- > 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. > -- Kind Regards, Atamert Ölçgen ◻◼◻ ◻◻◼ ◼◼◼ www.muhuk.com -- 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.
