From: Eero Saynatkari <eero.saynatkari@...>
Date: 2006-08-29T23:47:52+09:00
Subject: Re: Extending class from other module

Alexander Rysenko wrote:
> 1st question: If I got it right, modules in Ruby can be used as 
> namespaces. Is it ok? Is there some other (preffered) way?

That is the way to do it.

> 2nd question: I need to extend some class from one module in another 
> one. Basically I do something like this:
> 
> module Mod1
>   class A1
>   end
> 
>   class B2 < Mod2::B1
>   end
> end
> 
> module Mod2
>   class B1
>   end
> end
>
> But this doesn't really work (seems like B1 isn't really found). How can 
> I do such a thing?

You need to flip those around. You cannot inherit from
Mod2::B1 before it is defined.

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