From: dblack@...
Date: 2006-09-11T03:31:00+09:00
Subject: Re: patching strings together to make a variable

Hi --

On Mon, 11 Sep 2006, Axis Sivitz wrote:

> Uh...if you have so many similarly named variables, it sounds like you
> should be using an array or a map.
>
> The map could be set up with the keys (a certain string) indexing to
> the values of your old variables.
>
> @some_map['var'] = "pass"
>
> def test(string)
>  puts @some_map[string]
> end
>
> test('var')  #=>  "pass"

Which brings us back to:

> http://www.perl.org :-)  Perl has these "soft" or "symbolic"
> references, plus a whole chorus of people to tell you that you
> should use hashes instead :-)

:-)


David

-- 
                   David A. Black | dblack@wobblini.net
Author of "Ruby for Rails"   [1] | Ruby/Rails training & consultancy [3]
DABlog (DAB's Weblog)        [2] | Co-director, Ruby Central, Inc.   [4]
[1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
[2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org