"Nicholas Van Weerdenburg" <vanweerd / gmail.com> schrieb im Newsbeitrag
news:632154f7041213075134ba5f70 / mail.gmail.com...
> On Mon, 13 Dec 2004 16:32:07 +0900, Matt Mower <matt.mower / gmail.com>
wrote:
> > On Mon, 13 Dec 2004 16:12:04 +0900, Nicholas Van Weerdenburg
> >
> >
> > <vanweerd / gmail.com> wrote:
> > > On Mon, 13 Dec 2004 15:20:26 +0900, Miles Keaton
<mileskeaton / gmail.com > wrote:
> > >
> > > For example, you can extend the Enumerable modules, and your changes
> > > apply to all objects in the system that use Enumerable:
> > >
> > > module Enumerable
> > >  def each
> > >      raise "you must implement each"
> > >  end
> > > end
> > >
> >
> > Would this not introduce a breakage?  IIRC the search order for
> > methods is object->modules->baseclass->baseclass modules.
> >
> > Hence if you mixed Enumerable into an object whose base class
> > imlemented #each you would *hide* the base-class implementation.
> >
> > Or have I got it wrong?  (I'm still a learner).
> >
> > Regards,
> >
> > Matt
> >
> > --
> > Matt Mower :: http://matt.blogs.it/
> >
> >
>
> Good point. It was not a well thought out example.

No, not a good point.  See my other posting.

Regards

    robert