You can use some Reflection to find out if the function has implemented the matching invoke(args*) method
see: http://gist.github.com/654851 On 29 Okt., 07:02, Ken Wesson <kwess...@gmail.com> wrote: > (defn accepts-arity? [n f] > (reduce > #(or > %1 > (= n (count %2)) > (and (= '& (last (butlast %2))) (>= n (- (count %2) 2)))) > false > (:arglists (meta f)))) > > This works only if f has metadata -- anonymous lambdas don't but functions > defined using defn do. > > I thought this up while reading some intro to clojure.contrib.monad that > mentioned that m-lift needs to be given an arity; it seems to me m-lift > could probably be implemented to use the arities in the function metadata, > when available, to make this optional. -- 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
