From: Gregory Brown <gregory.t.brown@...>
Date: 2007-07-10T22:13:54+09:00
Subject: Re: Beautiful Code : Pity he didn't ask here...

On 7/10/07, Wayne E. Seguin <wayneeseguin@gmail.com> wrote:
> On Jul 10, 2007, at 08:27 , Christoffer Sawicki wrote:
> > Hello.
> >
> > On 7/10/07, John Carter <john.carter@tait.co.nz> wrote:
> >> count.keys.sort_by{|key| count[key]}
> >
> > IMHO, the most elegant way to do this is:
> >
> > hash.sort_by { |k, v| v }.map { |k, v| k }
> >
> > ...where k = key and v = value.
> >
> > Cheers,
>
> Ack, pet peeve.
>
> hash.sort_by { | key, value | value } .map { | key, value | key }
>
> If you have to specify "where k = key and v = value" then these
> should have been used in your code.
>
> Always favor readability at the expense of verbosity, both your
> future self and whoever else maintains your code will thank you.

I find myself always using |k,v|, when used on something hashlike I
don't think readability suffers.