From: Jim Freeze <jim@...>
Date: 2003-05-09T13:13:51+09:00
Subject: Re: Can a global be a constant?

On Friday,  9 May 2003 at  8:57:15 +0900, dblack@superlink.net wrote:
> Hi --
> 
> You can use instance variables (of the object State) instead of class
> variables, and then State becomes:
> 
>   class State
>     class << self
>       attr_accessor :debug, :verbose
>     end
>   end
 

So, fundamentally, is the code in both class C and D below 
doing the same thing?

class C 
  class << self
    def set(x); @x = x; end  
    def get; puts @x; end
  end
end

class D
  def self.set; @x = 5; end
  def self.get; puts @x; end
end

If these class methods have instance variables for the 
singleton object, are class methods not just really
instance methods of the singleton object?

-- 
Jim Freeze
----------
"I had to censor everything my sons watched ... even on the Mary Tyler
Moore show I heard the word 'damn'!"
		-- Mary Lou Bax