From: Luc Juggery <luc.juggery@...>
Date: 2006-10-20T20:15:08+09:00
Subject: Re: Neewby question: how to monitor a variable value

Thanks a lot Farrel,
This is exactly what I needed !!!!
Luc

On 10/20/06, Farrel Lifson <farrel.lifson@gmail.com> wrote:
> On 20/10/06, Luc Juggery <luc.juggery@gmail.com> wrote:
> > Hello All,
> >
> > I remember reading in a book that we could very easily monitor the
> > value of a variable and have for instance an alert message displayed
> > each time this variable s modified. I do not manage to find how to do
> > this anymore.
> > Would you have any clues ?
> >
> > Thanks a lot,
> > Luc
>
> Sounds like you need the observer design pattern:
> http://wiki.rubygarden.org/Ruby/page/show/ObserverPattern
>
> Farrel
>
>