Re: @property question
Re: @property question
- Subject: Re: @property question
- From: "Clark Cox" <email@hidden>
- Date: Mon, 12 May 2008 15:51:42 -0700
On Mon, May 12, 2008 at 3:42 PM, Phoenix Draco
<email@hidden> wrote:
>
> Sorry if this is naïve but I have a quick follow up q (to verify that I am
> understanding ObjC correctly). Is it true that:
>
> The two styles seem to me to have slightly different execution paths. The
> first:
>
> [self.fieldArray addObject:inFoo]
>
> Would actually invoke the property accessor fieldArray and then send the
> message addObject: to the returned result, i.e. Its equivalent to:
>
> [[self getfieldArray] addObject:inFoo]
Correct, except for the fact that the method is called "fieldArray":
"[self.fieldArray addObject:inFoo]" is equivalent to "[[self
fieldArray] addObject:inFoo]" in all respects except for syntax
> While the second form [fieldArray addObject:inFoo] would directly use the
> member variable.
>
> So if you (for some reason) chose to have a more complicated accessor that
> is not simply backed by an ivar, the former may have some potential side
> effects, yes?
>
> Thanks,
> Phoenix
>
>
> On 5/12/08 3:19 PM, "Craig Hopson" <email@hidden> hollered from the
> keytops:
>
>
>
> > Guys,
> >
> > I think I've been the victim of some side effect that I cannot track
> > down. With no other changes, I tried again with each style,
> > [ self.fieldArray addObject:inFoo ];
> > [ fieldArray addObject:inFoo ];
> > replacing all occurrences for each test, and both work - what I would
> > have expected.
> >
> > Thanks for your input.
> > -Craig
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--
Clark S. Cox III
email@hidden
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