From: Gavin Sinclair <gsinclair@...>
Date: 2002-12-13T15:20:43+09:00
Subject: Re: Inheritance Question

From: "Alan Chen" <alan@digikata.com>


> On Fri, Dec 13, 2002 at 02:08:54PM +0900, Jim Freeze wrote:
> > Well duh, as soon as I hit send I realized that I had not looked far
> > enough and that what I had posted would not work. The way Matrix is
> > currently written, it is nearly impossible to extend through
> > inheritance. So, instead of using a 'is-a' type class, below is a
> > 'has-a' type class. This method should work but has the drawback as
> > before, every public method of Matrix that you want exposed must be
> > wrapped.
> 
> Can't you use method_missing hand off any calls you don't explicitly
> intercept to the matrix class contained in your class?


Or better still - a Delegator or Fowardable class.

Gavin