Re: simple question about passing around pointers to objects
Re: simple question about passing around pointers to objects
- Subject: Re: simple question about passing around pointers to objects
- From: Andy Lee <email@hidden>
- Date: Fri, 27 Jun 2008 16:43:35 -0400
On Jun 27, 2008, at 4:22 PM, Paul Archibald wrote:
I am reading the Hillegass book, but I don't really see an example
of what I am tryng to do, although it seems like a very basic
question.
[...]
But, as I have been trying to make an exhaustive test of what
"works" and what "crashes", I realize that just experimenting with
this is not enough, and I need a better theoretical understanding of
this stuff.
Programming by guesswork is a recipe for programs that don't work and
are unmaintainable. And memory management is an especially bad topic
to guess about.
The Hillegass book is actually *full* of examples of what you're
trying to do, which is create and use an object. Find the section
that explains retain and release and study it again. In the latest
edition it's around page 46.
If you recognize this pattern and can tell me where to read more on
it, that would be great, too.
Start here:
<http://developer.apple.com/documentation/Cocoa/Conceptual/MemoryMgmt/index.html
>
--Andy
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