Thanks y'all... in all the Obj-C examples I've read, I've never seen the ->
operator used. I should have thought to check! (since in C++ it would be
this->whatever).
Thanks again,
Matt
> Date: Mon, 11 Aug 2008 11:05:55 -0700
> Subject: Re: Newbie Question on "self"
> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> CC: cocoa-dev@lists.apple.com
>
> On Mon, 11 Aug 2008 17:47:59 +0000, Matt Keyes <[EMAIL PROTECTED]>
> said:
> >Hello again,
> >
> >In C/C++ and the .NET languages I am used to, I have generally tried to
> >prefix
> any member variables inside class methods with "this"
> >
> >i.e. this.m_sMyString = "this is my string";
> >
> >In Objective-C, this doesn't seem as clear to me (or at least it doesn't
> compile). For example:
> >
> >- (id)initWithString:(NSString *) string {
> > self.myString = [[NSString alloc] initWithString:string];
> >}
> >
> >Produces an error:
> >
> >error: request for member 'myString' in something not a structure or union
>
> If myString is an ivar you can access it by saying self->myString.
> Objective-C is C! (And it is not C++.)
>
> <http://developer.apple.com/documentation/Cocoa/Conceptual/ObjectiveC/Articl
> es/chapter_3_section_4.html#//apple_ref/doc/uid/TP30001163-CH12-BAJHEIFE>
>
> There is a religious war over whether you *should* do this, though.
> Personally I like it and I do it a lot, because it reminds me that this
> thing (myString) is an ivar. Furthermore, this religious war is also bound
> up with a religious war over accessors; some will say that you should always
> implement an accessor and say
>
> [self setMyString: whatever]
>
> instead. Personally, I know when I need to pass thru the accessor for
> memory-management or KVC and when I don't, so there are plenty of times when
> I still say self->myString. m.
>
> --
> matt neuburg, phd = [EMAIL PROTECTED], <http://www.tidbits.com/matt/>
> A fool + a tool + an autorelease pool = cool!
> One of the 2007 MacTech Top 25: <http://tinyurl.com/2rh4pf>
> AppleScript: the Definitive Guide - Second Edition!
> <http://www.amazon.com/gp/product/0596102119>
>
>
>
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