Michal The last, elegant one works -- marvellous!
Thanks a lot. Tim On Jan 28, 1:05 pm, Michał Marczyk <michal.marc...@gmail.com> wrote: > Ouch, sorry, this won't work with recur... Use an explicit call instead: > > (defn multi-read-lines [sources] > (when-let [source (first sources)] > (lazy-cat (read-lines source) (multi-read-lines (rest sources))))) > > I guess this would overflow the stack with a huge number of sources, though. > > A second solution which should hopefully be fully lazy (and seems more > elegant anyway): > > (defn multi-read-lines [sources] > (reduce (fn [acc s] > (lazy-cat acc (read-lines s))) > nil > sources)) > > Sincerely, > Michal -- 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
