Alternatively, if really meant to use defn then it should have been; (defn vect1 [] [1 2 3 4]) #'user/vect1 user=> (* (count (vect1)) 5) 20
On Mon, Sep 14, 2009 at 2:28 PM, Adrian Cuthbertson <adrian.cuthbert...@gmail.com> wrote: > Hi Jeff, you're using defn which defines a function instead of def > which defines a var; > > (def vect1 [1 2 3 4]) > #'user/vect1 > user=> (* (count vect1) 5) > 20 > > Rgds, Adrian. > > On Mon, Sep 14, 2009 at 8:05 AM, Jeff Gross <j3f...@gmail.com> wrote: >> >> I have a vector that I need to count the size of and do a simple math >> calculation with. >> Say for example: >> (defn vect1 [1 2 3 4]) >> >> Typing (count vect1) returns the size of 4 that I need. I thought that >> I could simply use (count vect1) in an a simple infix expression, ie: >> (* (count vect1) 5) however, I get a class cast exception error >> that the java.lang.integer cannot be cast to clojure.lang.ifn. How >> would I go about doing this correctly? >> >> >> >> > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
