I thought that since into uses reduce, it would be lazy, but I was wrong. reduce just plows through everything with a non-lazy recursion.
Why is reduce not lazy? --Robert McIntyre On Mon, Sep 6, 2010 at 12:37 PM, Michał Marczyk <michal.marc...@gmail.com> wrote: > On 6 September 2010 18:29, Robert McIntyre <r...@mit.edu> wrote: >> walk is good but it's not lazy. If you want to preserve laziness you can do: > > This won't be lazy, because (into {} ...) is a strict operation. > > I'd suggest something like > > (defn mmap [f m] > (zipmap (keys m) (map f (vals m)))) > > f is expected to care about the value only. > > Sincerely, > Michał > > -- > 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 -- 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