From: Eric Hodel <drbrain@...7.net>
Date: 2006-12-10T16:23:42+09:00
Subject: Re: attr_reader, etc for class variables

On Dec 9, 2006, at 21:25 , Daniel Finnie wrote:

> Is there such a thing?

No.

> If I have the following code:
> class Klass
>   @@var = 0
> end
>
> How can I make an attr_writer for it besides doing
> class Klass
>   def var=(other)
>     @@var = other
>   end
> end

I tend to use instance variables for this as class variables usually  
give me hard-to-find bugs.

class Klass
   @var = 0

   class << self
     attr_accessor :var
   end

   def some_method
     self.class.var
   end
end

p Klass.var # => 0
p Klass.new.some_method # => 0

-- 
Eric Hodel - drbrain@segment7.net - http://blog.segment7.net

I LIT YOUR GEM ON FIRE!