Too true. On Thu, May 31, 2012 at 10:22 AM, Alan Malloy <a...@malloys.org> wrote: > Yes, but really to GET a value nested IN a series of maps, he should > just be using get-in, rather than threading anything at all. > > On May 31, 7:59 am, Dave Ray <dave...@gmail.com> wrote: >> Keywords implement IFn meaning they can act as functions that look >> themselves up in a map. Strings are just strings. Replace "b" with >> (get "b") and you'll get the behavior you're looking for. >> >> Dave >> >> On Thu, May 31, 2012 at 7:55 AM, Boris V. Schmid <boris.sch...@gmail.com> >> wrote: >> >> >> >> >> >> >> >> > Can someone tell me what I'm overlooking (clojure 1.4) >> >> > (-> (hash-map :b (hash-map :a 3)) :b :a) >> > 3 >> > user> (-> (hash-map "b" (hash-map :a 3)) "b" :a) >> > ; Evaluation aborted: java.lang.String cannot be cast to clojure.lang.IFn >> >> > I'm not sure why the first can work, and the second cannot. Is it a logical >> > limitation of the language, or an oversight in how the macro -> is build? >> >> > -- >> > 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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