2009/2/18 Mark Volkmann <r.mark.volkm...@gmail.com> > > On Wed, Feb 18, 2009 at 10:27 AM, Rich Hickey <richhic...@gmail.com> > wrote: > > > > On Feb 18, 11:04 am, Chouser <chou...@gmail.com> wrote: > >> On Wed, Feb 18, 2009 at 12:35 AM, Rob <rob.nikan...@gmail.com> wrote: > >> > >> > I'm wondering if I found a bug. I have the latest source from svn > >> > (r1291). > >> > >> > user=> (bean 1) > >> > java.lang.IllegalArgumentException: Wrong number of args passed to: > >> > core$bean--5161$fn--5179$thisfn > >> > >> You sure did. The conversion to lazy-seq code appears to introduce a > >> paren typo and an incorrect nil pun. Patch attached. > >> > > > > Patch applied, svn 1293 - thanks! > > > >> Rich, I think it'd be pretty useful to have as you mentioned in IRC a > >> variant of & destructuring that provided an unforced lazy-seq. It > >> seems pretty common to want, in the body of a lazy-seq, a destructured > >> 'first' but an unforced 'rest'. This is already the third or fourth > >> time I've wanted to be able to do something like: > >> > >> (fn thisfn [plseq] > >> (lazy-seq > >> (when-let [[pkey &rest etc] plseq] > >> (cons (new clojure.lang.MapEntry pkey (v pkey)) > >> (thisfn etc))))) > >> > > > > Yes, sure. It just comes down to the name: > > > > &rest > > && > > > > others? > > Of those I prefer &rest because its meaning is more explicit.
Maybe I miss the point totally, but didn't the recent change give the function 'next the meaning of not forcing the seq ? So &next instead of &rest ? ... and maybe either &rest or &next , and not just & anymore ? > > > -- > R. Mark Volkmann > Object Computing, Inc. > > > > --~--~---------~--~----~------------~-------~--~----~ 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 clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
