--- "Stig S. Bakken" <[EMAIL PROTECTED]> wrote:
> On Sat, 2002-04-06 at 11:21, brad lafountain wrote:
> > 
> > --- Yasuo Ohgaki <[EMAIL PROTECTED]> wrote:
> > > Brad Lafountain wrote:
> > > > I keep on hearing that "we" are totally against MI but "we" want the
> > > aggergate
> > > > function.
> > > > 
> > > >  Can someone PLEASE explain the reasoning behind such a decision?
> > > > 
> > > >  I can't think of one example when aggergate would be better than using
> MI.
> > > 
> > > Aggreation works now. Multiple inheritance needs changes in ZendEngine.
> >  I am more than willing and capable to make such changes.
> > 
> > > 
> > > BTW, some user asked multiple inheritance feature to php-dev, I replyed 
> > > "Multiple inheritance is useful, but it makes a lot easier to design
> > > objects badly. I think we are better to design objects so that
> > > multiple inheritance is not needed"
> >  This is somewhat true, but how does aggerate fix this?
> > 
> > > 
> > > Then I got reply, "multiple inheritance is needed", etc, etc, but
> > > nobody support my idea. Therefore, most of developers like multiple
> > > inheritance, I suppose.
> >  I like MI way more than i like aggerate.... I honistly think, as far as OO
> is
> > conserned, aggergate is garbage.. imagine reading someone elses code...
> trying
> > to figure out what objects do what... and you come opon line 150 where
> > aggerate($circle, "Square");.. seriously.. IMHO this is garbage! 
> 
> So?  What if the object is overloaded?  What if it's some proxy class
> and you don't even have _access_ to the code of the methods it would
> call?  If people want to design shitty code, they will be able to with
> or without aggregate.
> 
> > Unless someone could give me a real reason that aggerate is better than MI.
> I
> > would consider aggerate a HUGE downfall of php!
> 
> MI is compile-time, aggregate is runtime.  That's a big enough reason
> for me.

 I know the difference but how does this benifit you?

> 
> > Class definition is defined at design time not run time!
> 
> Aggregate is not really about class definition.  The shortcut in the
> current implementation modifies the class definition, but in its basic
> form, aggregation is about forwarding calls, not about changing class
> definitions.  Thus my suggestion to change aggregate as in my first
> reply to Kristian.

 Ok... Can you give me a good example that aggergate would be used over MI.
That makes sence and isn't garbage code!

--brad

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