Re: question about informal protocols
Re: question about informal protocols
- Subject: Re: question about informal protocols
- From: "Henry McGilton (Boulevardier)" <email@hidden>
- Date: Sun, 22 Nov 2009 21:13:14 -0800
On Nov 20, 2009, at 12:22 PM, Jens Alfke wrote:
>
> On Nov 20, 2009, at 12:09 PM, Michael de Haan wrote:
>
>> Does the, in your opinion, "optional" addition pretty much replace categories as a whole, or is there still a role for them?
>
> It replaces informal protocols. There are many other uses for categories, like
>
> * Breaking a class implementation across several source files
> * Declaring private/internal class methods that a few other classes are allowed to call
> * Declaring some of a class's methods in other headers (ones that only make sense in the context of that other header)
> * Adding methods to a pre-existing framework class
Not to overlook the all-important AppKit and UIKit 'Additions' to their respective Foundation Frameworks . . .
Cheers,
. . . . . . . . Henry
_______________________________________________
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)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden