From: Bertram Scharpf <lists@...>
Date: 2007-07-24T21:31:33+09:00
Subject: Re: Static variables in Ruby.

Hi,

Am Dienstag, 24. Jul 2007, 18:03:15 +0900 schrieb Robert Dober:
> On 7/24/07, Marcin Tyman <m.tyman@interia.pl> wrote:
> >Is any way to define static variables over function? As class static
> >variables there is possible to define a static class variable as
> >@@name_of_var. But I'm not sure if Ruby let define such variables in
> >functions (like in C/C++)
> There are three kinds of variables in Ruby
> local
> @@class_var
> @instance_var

Further

  $global

which I use almost never (except $1, $> etc.).

> My tip, do not use @@class_var, use @inst_var on the correct level
> 
> class A
>        @count = 0
>        class << self
>                attr_accessor :count
>        end
> end

So do I.

Bertram

-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de