Christophe Grand <christo...@cgrand.net> writes: > Jan Rychter a écrit : >> I think zip/down has a bug. It effectively does (when (children loc) >> ...), and since in Clojure empty list isn't false, it ends up adding >> nodes in my tree. >> >> Shouldn't it check for (when-not (empty? (children loc)) ...) ? >> > The children fn (passed to the zipper call) must return a seq, not a list.
Indeed! Thanks for the explanation. When passed a seq, the zipper works just fine. --J. --~--~---------~--~----~------------~-------~--~----~ 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 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 -~----------~----~----~----~------~----~------~--~---