On 21/11/2008, at 3:45 PM, Jim Correia wrote:
On Nov 20, 2008, at 11:36 PM, Kiel Gillard wrote:
While your discovery is interesting, maybe we're not supposed to
know how NSString is implemented. Even if on your computer you do
not get double free messages in your run log, a crash or whatever,
I'm all for keeping the memory management rules simple and treating
anything that doesn't contain "alloc] init...]" or "new]" as
autoreleased.
The memory management rules are already simple. There are three rules.
Making up your own interpretations of them, such as "treating
anything that doesn't contain 'alloc] init]' or 'new]' as
autoreleased", is not only incorrect, but gets in the way of a
fundamental understanding of how things work.
On their own is incorrect but in the context of the message I was
replying to, it was not.
What happens to an object before it is handed to you is completely
irrelevant. It doesn't matter. Thinking about what the method might
have done with the object is a waste of mental effort. The only
thing which is important is whether or not you are responsible for
releasing the object.
I totally agree.
Jim
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