RE: [moderator] Re: swizzling a class to a subclass inorder to add ivars (& methods) to a class
RE: [moderator] Re: swizzling a class to a subclass inorder to add ivars (& methods) to a class
- Subject: RE: [moderator] Re: swizzling a class to a subclass inorder to add ivars (& methods) to a class
- From: Scott Morrison <email@hidden>
- Date: Mon, 30 Oct 2006 16:22:13 -0500
Apart from all the WWDC NDA stuff -- (which is pretty hard to miss
considering they have that on every opening slide of each
presentation, and was in reminders all over Moscone) Lets get back
to the original question.....
Is it OK to swizzle the alloc method to return an allocated subclass
rather than the superclass that was whose allocation was requested.
What are problems associated with this? -- Yes -- there may be hidden
implementation stuff that you are mucking about it. but if you know
the classes involved -- is there a problem?
From what I seen of some things (from google searches), this is done
in a variety of situations (eg [NSDictionary alloc] to return
different private implementations depending on a variety of situations)
Scott
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