Op woensdag 30 april 2014 18:46:36 UTC+2 schreef James Reeves: > > These two forms are equivalent: > > (__ (sort (rest (reverse [2 5 4 1 3 6])))) > > (-> [2 5 4 1 3 6] (reverse) (rest) (sort) (__)) > > The -> macro turns the second form into the first. You can see this by > running macroexpand-all: > > (require '[clojure.walk :refer [macroexpand-all]]) > > (macroexpand-all '(-> [2 5 4 1 3 6] (reverse) (rest) (sort) (__))) > > This should produce: > > (__ (sort (rest (reverse [2 5 4 1 3 6])))) > > - James > > > That what I expected. what is the benefit of this if the first forms already gives the right answer. The only thing I still do not see is what the 5) is doing here.
It looks to me of writing something very difficult where it could be done very easy with just the first form. Roelof -- 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.
