Re: Passing C Style Function Callbacks in Cocoa
Re: Passing C Style Function Callbacks in Cocoa
- Subject: Re: Passing C Style Function Callbacks in Cocoa
- From: Hiro Fujimoto <email@hidden>
- Date: Thu, 8 Apr 2004 22:36:29 +0900
Thanx, Clark.
Oh, I'm sorry.
I have misunderstood your discussion below.
--
>
> On Apr 01, 2004, at 17:45, Scott Anguish wrote:
>
>
>
>> On Apr 1, 2004, at 4:40 PM, John Stiles wrote:
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>>
>
>>>> I'm under the impression that the result of [super init] and the
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>>>> variable self will always be the same.
>
>>>
>
>>> This is not true. The super is free to return something else. (I
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>>> don't know of any concrete examples, but Objective-C books sometimes
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>>> warn about this.)
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>>>
>
>>
>
>> even if super does change self, it'll be reflected in the value of
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>> self that the subclass is using.
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>
>
> No, that's why the assignment is part of the idiom.
>
>
>
>
In most cases you'll either get the same self back, or nil (if there
>
is a failure).
>
>
Yes, this is not the case with wonky stuff like class clusters.
>
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hiro FUJIMOTO - developer in Japan.
[demime 0.98b removed an attachment of type application/pkcs7-signature which had a name of smime.p7s]
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