Re: don't understand -[MyDocument init]

FROM : David Remahl
DATE : Thu Oct 31 16:34:35 2002

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];
>    if (self) {
>
>        // Add your subclass-specific initialization here.
>        // If an error occurs here, send a [self dealloc] message and
> return nil.
>
>    }
>    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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