Thanx Colin & James - got it now - Charlie On Sunday, September 4, 2016 at 5:31:40 PM UTC-4, Colin Yates wrote: > > This form allows the fn to have multiple arities. So if I call > (recursive-printer) it will 'invoke' ([] (recursive-printer 0)). If I call > (recursive-printer 1) then it will 'invoke' ([iteration] ...). > > HTH > > -- > Colin Yates > colin...@gmail.com <javascript:> > > > > On Sun, 4 Sep 2016, at 09:54 PM, Charlie wrote: > > I'm going through the Do Things: A Clojure Crash Course, and the following > example (in REPL) is presented: > > (defn recursive-printer > ([] > (recursive-printer 0)) > ([iteration] > (println iteration) > (if (> iteration 3) > (println "Goodbye!") > (recursive-printer (inc iteration)))))(recursive-printer); => > Iteration 0; => Iteration 1; => Iteration 2; => Iteration 3; => Iteration 4; > => Goodbye! > > > This works as expected, but I don't understand the syntax of the function > definition. Specifically: (defn recursive-printer ([] (recursive-printer > 0)). Isn't the parameter list supposed to be a vector [] not ([]...)? Also, > I don't see how [iteration] is resolved on the next line. > > Thanx for any help! > > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clo...@googlegroups.com <javascript:> > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+u...@googlegroups.com <javascript:> > 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 unsubscribe from this group and stop receiving emails from it, send an > email to clojure+u...@googlegroups.com <javascript:>. > For more options, visit https://groups.google.com/d/optout. > > >
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