On Mon, Jan 5, 2009 at 6:35 PM, wubbie <sunj...@gmail.com> wrote: > > Hi, > This example is from clojure site. > My question is on line 5 and line 6: > The confusion is str is a function and here looks like used as a > regular variable.
The var that is clojure.core/str aka. 'str, points to a function that implements it. And vars, any vars, can be shadowed/rebound temporarily, and this is what 'binding does. > > Thanks in advance. > Sun > > > (defn loves [x y] > (str x " loves " y)) > (defn test-rebind [] > (println (loves "ricky" "lucy")) > (let [str-orig str] ---> line 5: > (binding [str (fn [& args] --> line 6: > (println "Logging str") > (apply str-orig args))] -->line 8: > (println (loves "fred" "ethel"))))) > (test-rebind) > > ricky loves lucy > Logging str > Logging str > Logging str > Logging str > Logging str > fred loves ethel > > > > -- Venlig hilsen / Kind regards, Christian Vest Hansen. --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---
