Hi Kurt, Am 23.01.2009 um 05:23 schrieb zoglma...@gmail.com:
> (defn create-a [firstName lastName] > (defn getFirstName [] firstName) > (defn getLastName [] lastName) > (fn [operator & operands] > (apply operator operands))) It's important to note that, regardless of the lexical context, def(n) creates global/top-level definitions (contrary to scheme, i believe). > (def t (create-a "Kurt" "Z")) Upon calling create-a, getFirstName and getLastName become globally defined functions. getFirstName will always return "Kurt", getLastName will always return "Z". > ;How or why does this next line work? What is "getFirstName" in this > context? > (t getFirstName) The value of t is the function (fn [operator & operands] (apply operator operands))), which is called with getFirstName as the operator arg. Since there are no further operands, applying operator to nothing just calls it and returns "Kurt". Hope this helps. Kind Regards, achim --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
