From: Stefano Crocco <stefano.crocco@...>
Date: 2011-02-04T17:03:17+09:00
Subject: Re: Class Instanciation in loop

On Thursday 03 February 2011 21:55:39 Alizée Penel wrote:
> Hi everyone !
> 
> I am a beginner in Ruby and i am faced to a problem I do not understand.
> 
> I have two classes: Subset, Parser
> Parser class parses an array (tab) which contains worlds from a file and
> creates
> Subset objects and adds them in two others arrays (@@good, @@bad).
> 
> This file looks like:
> Good
> {
>   Subgp1
>   {
>      file1
>   }
> }
> Bad
> {
>   Subgp2
>   {
>      file2
>   }
> }
> 
> For example :
> 
> j = tab.find_index("Bad")
> i = 1
> while i < tab.size do
>   c = Subset.new(tab[i])
>   i = i + 1
> # This method parse is a subparser which parse the containning of SubgpX
> # elements (here, file1 and file2) and put them in an Subset class
> array.
>   i = c.parse(tab, i)
>   if tab[i] < j then
>     @good << c
>   else
>     @@bad << c
>   end
>   i = i + 1
> end
> 
> When I do a prettyprint of @@good and @@bad, @@good have the same
> elements as
> in @@bad, and others elements which should be in @@good disappeared.

I think there's a typo in your code:
@good << c
should be

@@good << c

Stefano