From: David Alan Black <dblack@...>
Date: 2002-04-20T00:47:17+09:00
Subject: Re: Replacing groups of methods: How would *you* do this?

Hi --

On Sat, 20 Apr 2002, Hal E. Fulton wrote:

> ----- Original Message -----
> From: "David Alan Black" <dblack@candle.superlink.net>
> To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
> Sent: Friday, April 19, 2002 8:45 AM
> Subject: Re: Replacing groups of methods: How would *you* do this?
>
>
> >
> > Could you do conditional execution?
> >
> >   if condition
> >     class Thing
> >       # redefine methods
> >     end
> >   end
> >
>
> I could, but I dislike if-statements that
> are miles long.
>
> And there's no way to encapsulate this,
> either, as far as I can see. Oh, I could
> put it into a here-doc and eval it later...
> but boy, is that ugly.
>
> I guess now I'm leaning toward the
> separate-file thing...

How about:

  class Thing
    if condition
      include SomeModule
    elsif other_condition
      include SomeOtherModule
    ...
    end
  end

?


David

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