On Thu, Sep 15, 2011 at 8:56 AM, Herwig Hochleitner <hhochleit...@gmail.com> wrote: > Consider > > (defn find-in-tree > ([tree pred?] > (concat > (filter pred? tree) > (mapcat find-in-tree (filter sequential? tree) (repeat pred?))))) > > which of course is much simpler written as > > (defn find-in-tree > ([tree pred?] (filter pred? (flatten tree))))
Not quite -- these differ in the case where pred? sometimes fires for a subtree and not just for leaves. The latter will miss all the subtrees for which pred? returns logical true. -- Protege: What is this seething mass of parentheses?! Master: Your father's Lisp REPL. This is the language of a true hacker. Not as clumsy or random as C++; a language for a more civilized age. -- 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
