From: David Alan Black <dblack@...>
Date: 2002-07-17T07:22:55+09:00
Subject: Re: TkText no -textvariable workaround?

Hi --

On Wed, 17 Jul 2002, Dossy wrote:

> On 2002.07.17, Dave Thomas <Dave@PragmaticProgrammer.com> wrote:
>
> > A variable is not an object: it's a reference to one. There is no
> > object 'a'.
>
> Why must variables exist?  Why can't there be a Object#reference that
> returns a reference to an object, so that:
>
>   a = b.reference
>
> Makes a an ObjectReference that delegates to b.

Isn't that in effect what Ruby does, since variables hold references
to objects?  As in the classic case:

  b = Hash[*%w{ one un two deux }]
  a = b
  a["three"] = "trois"
  p b["three"]  # => "trois"


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav