Re: super respondsToSelector
Re: super respondsToSelector
- Subject: Re: super respondsToSelector
- From: "Michael Ash" <email@hidden>
- Date: Sat, 31 May 2008 16:11:55 +0800
On Sat, May 31, 2008 at 3:43 PM, j o a r <email@hidden> wrote:
>
> On May 31, 2008, at 12:23 AM, Michael Ash wrote:
>
>> Assume the following class hierarchy:
>>
>> A <- B <- C <- D <- E
>>
>> In the implementation of B, you write [self superclass]. Now your
>> method executes with self set to an instance of E. What do you get?
>
>
> I would propose that you should re-examine your design if you find that to
> be a problem in practice:
>
> <http://en.wikipedia.org/wiki/Code_smell>
As has been noted, this is a common problem in AppKit code. It happens
any time you subclass a subclass of NSView and implement
-awakeFromNib. If you then subclass that subclass (something which
doesn't smell to me even a little bit) then the naive solution breaks
badly.
Mike
_______________________________________________
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