From: dblack@...
Date: 2007-07-11T20:23:29+09:00
Subject: Re: Beautiful Code : Pity he didn't ask here...

---2049402039-1406859260-1184153004=:13492
Content-Type: MULTIPART/MIXED; BOUNDARY="-2049402039-1406859260-1184153004=:13492"

  This message is in MIME format.  The first part should be readable text,
  while the remaining parts are likely unreadable without MIME-aware tools.

---2049402039-1406859260-1184153004=:13492
Content-Type: TEXT/PLAIN; charset=X-UNKNOWN; format=flowed
Content-Transfer-Encoding: QUOTED-PRINTABLE

Hi --

On Wed, 11 Jul 2007, Pit Capitain wrote:

> 2007/7/10, James Edward Gray II <james@grayproductions.net>:
>> I've also recently adopted the trick of using _ as an unused
>> parameter name.  I believe it was Ara that first suggested this and I
>> think it's a great idea:
>>
>>    hash.sort_by { |key, _| =85 }=85
>
> Maybe it was Ara indeed, but the first reference I found on ruby-talk
> was a post from Nikolai Weibull almost two years ago. See
> ruby-talk:149793.

Isn't that the same as:

   hash.sort_by {|key,| ... }

(assuming one isn't going to make use of the value in _)?


David

--=20
* Books:
   RAILS ROUTING (new! http://www.awprofessional.com/title/0321509242)
   RUBY FOR RAILS (http://www.manning.com/black)
* Ruby/Rails training
     & consulting:  Ruby Power and Light, LLC (http://www.rubypal.com)
---2049402039-1406859260-1184153004=:13492--
---2049402039-1406859260-1184153004=:13492--