From: dblack@...
Date: 2006-08-12T09:11:15+09:00
Subject: Re: Beginner's question: assigning same value to many variables

Hi --

On Sat, 12 Aug 2006, Chad Perrin wrote:

> On Sat, Aug 12, 2006 at 08:57:37AM +0900, dblack@wobblini.net wrote:
>> On Sat, 12 Aug 2006, Mark Van Holstyn wrote:
>>
>>> or you could do
>>>
>>> %w{ a b c d e f g h i j }.each {|v| eval "#{v}=''" }
>>
>> That won't work; they'll go out of scope.  Actually out of two scopes:
>> the eval scope, and the #each block scope.
>
> . . . which is great if you're trying to construct a closure, but not so
> great otherwise.

I don't think it's ever good for variables you want to use to be out
of scope :-)


David

-- 
http://www.rubypowerandlight.com => Ruby/Rails training & consultancy
   ----> SEE SPECIAL DEAL FOR RUBY/RAILS USERS GROUPS! <-----
http://dablog.rubypal.com        => D[avid ]A[. ]B[lack's][ Web]log
http://www.manning.com/black     => book, Ruby for Rails
http://www.rubycentral.org       => Ruby Central, Inc.