From: John Turner <xennocide@...>
Date: 2006-10-23T20:25:24+09:00
Subject: Re: newbie: class attribute accessors?

Diego Virasoro wrote:
>> Please explain. Use an example.
> 
>>From what I understood, for any instance variable, I can make ruby
> automatically produce the accessors. For example:
> 
> class Dog
>    @name
>    @@NumberOfLegs = 4
> 
>    attr_accessor :name
> end
> 
> x = Animal.new
> ...
> puts x.name
> 
> 
> However, I would like to do something similar for class variables. So
> for example in the above example, for @@NumberOfLegs.
> 
> Is this possible?
> 
> Thank you
> 
> Diego Virasoro
> 

You can do this for instance variables of a class, not sure there are 
equivalents for actual class variables though:

class Dog
   @names = ["Fido", "Rex"]
   class << self
      attr_accessor :names
   end
end

puts Dog.names