From: "Iñaki Baz Castillo" <ibc@...>
Date: 2011-08-15T04:42:33+09:00
Subject: Re: class inheritance and class constants

2011/8/14 Chris White <cwprogram@live.com>:
> -------------------------------
> class Server
>  def self.listen
>    puts "Listening on #@ip"
>  end
> end
>
> class UdpServer < Server
>  @ip = "1.2.3.4"
> end
>
> class TcpServer < Server
>  @ip = "5.6.7.8"
> end
>
> UdpServer.listen
> TcpServer.listen
> -------------------------------


Yes, I also us that commonly. However I didn't know that class
instance variables can be defined out of a method. I expected:

class TcpServer < Server
  def self.init_variables
    @ip="5.6.7.8"
  end
end

Good to know that it's not needed :)

-- 
Iñaki Baz Castillo
<ibc@aliax.net>