Thanks. And sorry for the duplicated post. I thought that my first message as not posted;
On Monday, September 17, 2012 4:01:28 AM UTC-3, Tassilo Horn wrote: > > Giuliani Sanches <giulian...@gmail.com <javascript:>> writes: > > > In this code > > > > http://pastebin.com/tJNhabJw > > > > When the second case is executed the output is: > > > > The output is (Juice > > Sandwich > > nil Banana > > nil nil) > > > > Where these "nil" come from ? > > The nils are the values of the `for`. (println item) prints Juice, > Sandwich and Banana, but println always returns nil. Thus the > comprehension results in (nil nil nil). Well, and since the printing > happens not before the elements are realized, the output is a bit > interleaved which makes it look strange. > > Bye, > Tassilo > -- 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
