Re: seeking golfing advice

[email protected] (Steve Fink) Thu, 17 May 2012 12:35:41 -0700
Newsgroups perl.fwp
Message-ID <CA+80VKhiVyBQiGR4qowRkUW3f4UnhFLqW06huwCBVVysutBq2Q@mail.gmail.com>
On Thu, May 17, 2012 at 3:14 AM, Aristotle Pagaltzis <[email protected]> wro=
te:
> * 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 =96 undefs are lost and references break. If
> you use `values` these problems go away=85 except that 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