I have done this sort of this with with-redefs to look at the input and output of functions inside a library I was using.
http://clojuredocs.org/clojure_core/clojure.core/with-redefs I may have a small macro to assist. I can post later if you wish. You need to be careful of binding boundaries though - so its not ideal in all situations (i.e later lazy evaluations). Dave On Wednesday, 14 May 2014 00:09:22 UTC+10, t x wrote: > > Suppose we had the following: > > > (defn stupid-wrapper [f args] > (. js/console log args) > (let [ans (f args)] > (. js/console log ans) > ans)) > > It basically logs the arguments + return value on every function call. > > > Now, suppose I wanted to do this to _functions that already existed_ . > Is there a way to do this? > > I.e. someone already wrote: > > > (defn foo [ ... ] ... ) > > now, I want to do : > > (black-magic! foo) > > ;; and have this "wrap" the foo function. Is there a way to make this > work? > > Thnaks! > -- 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.
