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?
Rich
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