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Re: seeking golfing advice

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From:
Steve Fink
Date:
May 18, 2012 01:24
Subject:
Re: seeking golfing advice
Message ID:
CA+80VKhiVyBQiGR4qowRkUW3f4UnhFLqW06huwCBVVysutBq2Q@mail.gmail.com
On Thu, May 17, 2012 at 3:14 AM, Aristotle Pagaltzis <pagaltzis@gmx.de> wrote:
> * Mike Erickson <mee@quidquam.com> [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 – undefs are lost and references break. If
> you use `values` these problems go away… 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

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