Many thanks for all the replies. Paul On Thu, Mar 15, 2012 at 10:49 PM, Stuart Campbell <stu...@harto.org> wrote: > Almost, but you do need to resolve the symbols to functions when you > evaluate the operation: > > (defn arith [x y] > (map (fn [op] [((resolve op) x y) (list op x y)]) '[+ - / *])) > > Regards, > Stuart > > > On 16 March 2012 02:52, Jack Moffitt <j...@metajack.im> wrote: >> >> > If I apply the following function to 4 and 6 >> > >> > (defn arith [x y] >> > (map (fn [op] [(op x y) `(~op ~x ~y)]) [+ - / *])) >> > >> > I'd like to get a result of the form >> > >> > ([10 (+ 4 6)] [-2 (- 4 6)] ...) >> > >> > but instead I get something like >> > ([10 (#<core$_PLUS_ clojure.core$_PLUS_@4f6de641> 4 6)] ... >> >> You want to quote the [+ - / *] so it doesn't resolve to the functions: >> >> (defn arith [x y] >> (map (fn [op] [(op x y) `(~op ~x ~y)]) '[+ - / *])) >> >> jack. >> >> -- >> 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
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