From: serialhex <serialhex@...>
Date: 2010-12-28T10:57:14+09:00
Subject: Re: Numeric comparison with nil - Math masochists only!!

--20cf30549de366070504986ec5de
Content-Type: text/plain; charset=ISO-8859-1

hey robert, thanks for the great article, i'll keep that stuff in mind as
i'm writing the rest of this class!

  hex

On Mon, Dec 27, 2010 at 5:46 AM, Robert Klemme
<shortcutter@googlemail.com>wrote:

> On Sat, Dec 25, 2010 at 2:34 AM, serialhex <serialhex@gmail.com> wrote:
> > Colin, your amazing insight has led me to programming greatness!!!
> >
> > ...ok, mabye not so much, but i have (mostly) solved the problem using
> the
> > Delegate class, heres the relevant code:
> >
> > ##
> > require 'delegate'
> >
> > class SurrealNil < DelegateClass(NilClass)
> >  include Comparable
> >  def <=> other
> >    return -1
> >  end
> >  def initialize
> >    super nil
> >  end
> > end
> > ##
> >
> > it returns -1 all the time so no matter what you compare it against it's
> > less than that (i mean, sereously, an empty set is WAAAAYYYYYYY less than
> > neg infinity, cause with neg infinity you still have SOMETHING right?)
> >
> > so while the rest of the project is FAR from finished, at least this part
> is
> > completed.  thanks for the help!!
>
> If you need additional input I have written about numeric classes in our
> blog
>
> http://blog.rubybestpractices.com/posts/rklemme/019-Complete_Numeric_Class.html
>
> Kind regards
>
> robert
>
> --
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/
>
>

--20cf30549de366070504986ec5de--