From: ara.t.howard@...
Date: 2006-07-14T06:01:32+09:00
Subject: Re: equivalent of attr_accessor for class variables?

On Fri, 14 Jul 2006, bwv549 wrote:

> It is simple to set a class constant in ruby:
>
>  class Foo
>    CLASS_CONSTANT = "never to change"
>  end
>
> And accessed like this:
>  Foo::CLASS_CONSTANT
>
> However, I'd like to be able to create a class variable that is easily
> accessible (read/write) by outside users without having to write class
> accessor methods.  How can I do this?
>
> A really ugly way to set the variable without an accessor would be
> this:
>  class Foo; @@class_constant = "newvalue" end
> but that is write only.
>
> The syntax:
>  Foo.class_constant = "newvalue"
> would be preferable, but how to do this without writing accessor
> methods?
>
> Thanks

   class C
     class << self
       attr_accessor 'class_constant'
     end
   end

-a
-- 
suffering increases your inner strength.  also, the wishing for suffering
makes the suffering disappear.
- h.h. the 14th dali lama