From: David Alan Black <dblack@...>
Date: 2001-08-11T23:21:32+09:00
Subject: [ruby-talk:19531] Re: order and freedom in Ruby (was: Re:  Re: the way class variables work)

Hello --

On Sat, 11 Aug 2001, MikkelFJ wrote:

>
> "David Alan Black" <dblack@candle.superlink.net> wrote in message
> news:Pine.LNX.4.30.0108110803010.5632-100000@candle.superlink.net...
>
> > Way 1: Ruby presents different interfaces to the programmer.  You can,
> > if you choose and/or need to, use Ruby to handle your traditionally OO
> > projects.  Or you can use Ruby pseudo-procedurally.  Or you can tap
> > into Ruby's powers in the area of dynamic method creation and related
> > things.
>
> But then we should perhaps go in the other direction:
> Add syntax for manipulating class functions in a way that distribute to all
> derived classes and object instances. It sure is a mess, but imagine the
> interesting things you could do, if used appropriately.

Isn't that what happens if you manipulate a parent class (without
having overridden the things you're manipulating)?

  class A
    def talk; puts "original" ; end
  end

  class B < A ; end

  class A
    def talk; puts "changed" ; end
  end

  B.new.talk      # => changed


David

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