From: dblack@...
Date: 2006-05-23T06:03:41+09:00
Subject: Re: initializing instance variables in a module

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Hi --

On Tue, 23 May 2006, Simon Kr=F6ger wrote:

> Francis Cianfrocca schrieb:
>> You still have to call it every time you use the variable.
>>
>
> Do you realy need to use the variable directly?
> My scripts tend to have very little use of '@'.
>
> module Foo
> def bar(key)
>   @myvar ||=3D Hash.new {|k,v| k[v] =3D []}
>   @myvar[key]
> end
> end
>
> class Test
>  include Foo
> end
>
> t =3D Test.new
> t.bar('baz') << 'eeek'
> p t.bar('baz')
>
>
> I didn't followed the whole thread so please ignore me
> if this was suggested before.

It was -- that, or a close variant, was what I don't understand the
non-usefulness of, but although I've read the thread I think there's
some level of complexity I haven't caught sight of.


David

--=20
David A. Black (dblack@wobblini.net)
* Ruby Power and Light, LLC (http://www.rubypowerandlight.com)
   > Ruby and Rails consultancy and training
* Author of "Ruby for Rails" from Manning Publications!
   > http://www.manning.com/black
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