There you go, symmetry and simplicity :) On 04/04/2011, at 6:35 AM, Alan wrote:
> Isn't all this just a special case of partition-by? > > (defn drop-by [f coll] > (apply concat (rest (partition-by f coll)))) > > (defn take-by [f coll] > (first (partition-by f coll))) > > user> (drop-by (partial + 2) [2 2 2 3 3 4]) > (3 3 4) > user> (take-by #(mod % 3) [1 4 1 7 34 16 10 2 99 103 42]) > (1 4 1 7 34 16 10) > > On Apr 3, 6:34 am, Meikel Brandmeyer <m...@kotka.de> wrote: >> Hi, >> >> On 3 Apr., 13:18, Ken Wesson <kwess...@gmail.com> wrote: >> >>> "Less" involved? >> >> Your solution combines 5 sequences with drop-while-first-map-second >> magic which I personally don't find very self-explaining at first >> sight. My solution does one step with only local impact and then >> delegates to a single well-known library function. >> >> For laziness there is some cost involved, I agree. >> >> Sincerely >> Meikel > > -- > 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 -- "Test-driven Dentistry (TDD!) - Not everything should be test driven" - Michael Fogus -- ********************************************************** Andreas Koestler, Software Engineer Leica Geosystems Pty Ltd 270 Gladstone Road, Dutton Park QLD 4102 Main: +61 7 3891 9772 Direct: +61 7 3117 8808 Fax: +61 7 3891 9336 Email: andreas.koest...@leica-geosystems.com ************www.leica-geosystems.com************* when it has to be right, Leica Geosystems Please consider the environment before printing this email. -- 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