Re: Concrete Protocols
Re: Concrete Protocols
- Subject: Re: Concrete Protocols
- From: mmalc crawford <email@hidden>
- Date: Wed, 31 Oct 2007 06:42:46 -0700
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...
<http://www.google.com/search?client=safari&rls=en-us&q=concrete+protocol+objective-c&ie=UTF-8&oe=UTF-8
>
->
<http://www.informit.com/articles/article.aspx?p=665128&seqNum=3>
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.
mmalc
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