this is because the #() checks for arguments used inside its body to infer its arity. in #(alert "..") you don't use any arg so it creates a function with no argument, such as doing (fn [] ..) Il giorno 17/ago/2012 11.50, "Jim - FooBar();" <jimpil1...@gmail.com> ha scritto:
> Hi everyone, > > I was surprised to discover that anonymous functions will not work in > seesaw...For example the following throws an exception (wrong number of > args): > > (button :text "Undo" :listen [:action #(alert "Not implemented!")]) > > but if i replace the anonymous fn with (fn [e] (alert "Not implemented!")) > it works just fine!!!the same is true for when defining an action like so: > > (action :handler (fn [e] (alert "Not implemented!")) > :name "Save" > :tip "Save a game to disk." > :key "menu S") > > If it was an anonymous fn it would throw an exception...This is very weird > for me cos I know that anonymous fns take variable number of args so i > don't see what the problem is...any explanations/suggestions? > > Most of the ssesaw docs show examples using (fn [e] (... ...)) but I'm > sure I've seen snippets that use #(... ...). What is going on? > > Jim > > -- > 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+unsubscribe@**googlegroups.com<clojure%2bunsubscr...@googlegroups.com> > For more options, visit this group at > http://groups.google.com/**group/clojure?hl=en<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
