Re: seeking golfing advice

Aristotle Pagaltzis <[email protected]> Fri, 18 May 2012 11:29:19 +0200
Newsgroups gmane.comp.lang.perl.fun
Message-ID <[email protected]>
* Steve Fink <[email protected]> [2012-05-18 10:25]:
> On Thu, May 17, 2012 at 3:14 AM, Aristotle Pagaltzis <[email protected]>=
 wrote:
> > * Mike Erickson <[email protected]> [2012-05-16 15:45]:
> > > If you don't care about order, but just want those elements, you
> > > can also do:
> > >
> > > keys%{{@a}}
> >
> > There is more than order that gets lost. If you use `keys` you also
> > get everything back stringified =E2=80=93 undefs are lost and referen=
ces
> > break. If you use `values` these problems go away=E2=80=A6 except tha=
t to
> > get the odd-index elements from it you have to `reverse` the array,
> > at which point a not-especially-golfed grep is shorter.
>
> So you'd want
>
>  values%{{1,@a}}
>
> then

D=E2=80=99oh!