From: Pit Capitain <pit@...>
Date: 2005-09-21T20:49:01+09:00
Subject: Re: Problem with constants

Kroeger Simon (ext) schrieb:
> I'm puzzled:
> -----------------------
> class X
>   A = 1
>   def X.a
>     A
>   end
> end
> 
> class Y < X
>   A = 2
> end
> 
> class Z < X
>   A = 3
>   def Z.a
>     A
>   end
> end
> 
> p X.a #=> 1
> p Y.a #=> 1
> p Z.a #=> 3
> -----------------------
> (ruby 1.8.2 (2004-12-25) [i386-mswin32])
> 
> Shouldn't this yield at least a warning?
> Is this a feature?

Yes. Constants are lexically scoped. As I've learned from a recent post 
here on ruby-talk, you can change your code to

   def X.a
     self::A
   end

to get the behavior I suppose you're looking for.

Regards,
Pit