From: "Ara.T.Howard" <Ara.T.Howard@...>
Date: 2005-07-29T04:41:01+09:00
Subject: Re: Method Scope (again b/c google groups lost it)

On Fri, 29 Jul 2005, Trans wrote:

> I would like to see Ruby gain a "scoping feature" (I usually refer to
> this as a "namespace", but looking at Matz' discussion of Rite he's
> using that to mean something else). This idea is this:
>
>  class String
>
>    scope format
>
>      def jumble
>        ...
>      end
>
>    end
>
>  end
>
>  "Wizard".format.jumble

   harp:~ > cat a.rb
   class Dispatch < Hash
     def method_missing(m, *a, &b); self[m].call(*a, &b); end
   end
   class String
     def format(*a, &b)
       Dispatch[
         :jumble => lambda{ 'jumble' },
         :bumble => lambda{ 'bumble' },
       ]
     end
   end

   p "Wizard".format.jumble
   p "Wizard".format.bumble


   harp:~ > ruby a.rb
   "jumble"
   "bumble"

easy cheasy.  ;-)

-a
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