Duh. Thanks, and I will be adding that to the sequences chapter. :-/ Stuart
> > On Wed, Nov 5, 2008 at 12:56 PM, Stuart Halloway > <[EMAIL PROTECTED]> wrote: >> >> (1) Is there a simpler way to define pairwise, which takes an >> existing >> sequence and then returns its items a pair at a time? >> >> (defn pairwise [& seq] >> (map vector (take-nth 2 seq) (take-nth 2 (rest seq)))) > > The built-in (partition) function does this, no? > > (partition 2 my-seq) > > Best, > Graham > > >> >> (2) When writing a function like pairwise, are there any bright-line >> rules about whether to use variable arity? >> >> Cheers, >> Stuart >> >> >>> >> > > > --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
