Re: don't understand -[MyDocument init]
Re: don't understand -[MyDocument init]
- Subject: Re: don't understand -[MyDocument init]
- From: David Remahl <email@hidden>
- Date: Thu, 31 Oct 2002 16:34:35 +0100
Nope, you didn't miss anything. But both methods work. Check the archives
from several months ago for a discussion on this issue.
/ Regards, David
>
Document-based\ Application/MyDocument.m
>
puzzles me. The initializer is
>
>
- (id)init
>
{
>
[super init];
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if (self) {
>
>
// Add your subclass-specific initialization here.
>
// If an error occurs here, send a [self dealloc] message and
>
return nil.
>
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}
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return self;
>
}
>
>
I am wondering how self has been given a chance to change its value.
>
Unless self is passed by address to the inherited init method (as an
>
hidden parameter), self won't change and the above test on self is
>
useless. A better pattern seems to be
>
>
- (id)init
>
{
>
if (self = [super init]) {
>
>
// Add your subclass-specific initialization here.
>
// If an error occurs here, send a [self dealloc] message and
>
return nil.
>
>
}
>
return self;
>
}
>
Did I miss something?
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