its* 2012/8/25 Bronsa <brobro...@gmail.com>
> check out clojure.core/comp, and it's source > > > 2012/8/25 John Holland <jbholl...@gmail.com> > >> This problem is really confusing me. I found a solution online, but I >> can't understand the solution. Can anyone explain to me why this >> works? >> >> The problem is stated as: >> >> >> >> Write a function which allows you to create function compositions. The >> parameter list should take a variable number of functions, and create >> a function applies them from right-to-left. >> (= [3 2 1] ((__ rest reverse) [1 2 3 4])) >> (= 5 ((__ (partial + 3) second) [1 2 3 4])) >> >> >> The examples would accept the solution replacing the ____. >> >> The solution I found is: >> >> (fn [x & xs] >> (fn [& args] >> ((fn step [[f & fs] a] >> (if fs >> (f (step fs a)) >> (apply f a))) >> (cons x xs) args))) >> >> >> This works, and baffles me when I try to understand it. >> >> -- >> 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 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
