Mailing Lists: Apple Mailing Lists
Image of Mac OS face in stamp
Re: Concrete Protocols
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Concrete Protocols

On Oct 31, 2007, at 6:30 AM, Philip Mötteli wrote:

I'm referring to:

Concrete Protocols
Objective-C, just like Smalltalk, doesn’t have multiple inheritance. This was a design decision, as it was with Java, because multiple inheritance can cause headaches. Instead, Objective-C has categories, which allow methods to be added to an existing class, and protocols that specify interfaces.

It really would help if you provided a reference...

< >
Behind the Scenes of Objective-C 2.0
• By David Chisnall.
• Nov 3, 2006

I assume this is what you're referring to?

The feature is not in Objective-C 2.0.



Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)

Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden

 >Concrete Protocols (From: Philip Mötteli <email@hidden>)
 >Re: Concrete Protocols (From: Chris Hanson <email@hidden>)
 >Re: Concrete Protocols (From: Philip Mötteli <email@hidden>)

Visit the Apple Store online or at retail locations.

Contact Apple | Terms of Use | Privacy Policy

Copyright © 2011 Apple Inc. All rights reserved.