From: Jim Freeze <jim@...>
Date: 2003-05-09T09:05:30+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 --
> 
> On Fri, 9 May 2003, Jim Freeze wrote:
> 
> > On Friday,  9 May 2003 at  8:23:52 +0900, Hal E. Fulton wrote:
> > >
> > > class App
> > >   def main
> > >     State.debug = true
> > >     State.verbose = false
> > >     Work.new
> > >   end
> > > end
> > >
> > > class Work
> > >   def initialize
> > >     puts State.debug
> > >   end
> > > end
> > >
> > > App.new.main
> >
> > Is there a neater (read more concise) way to define State with
> > maybe a << class_attr_accessor maybe?
> 
> 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

Why does this not define the class method State.debug to
set the instance variable @debug?

> 
> (though this does not deal with the requirements you list later...)
>

Is that requirements list even possible?
 
-- 
Jim Freeze
----------
Half Moon tonight.  (At least it's better than no Moon at all.)