Re: Needed : set class for Cocoa
Re: Needed : set class for Cocoa
- Subject: Re: Needed : set class for Cocoa
- From: "Adam R. Maxwell" <email@hidden>
- Date: Thu, 05 Feb 2009 19:57:09 -0800
On Feb 5, 2009, at 5:50 PM, Sean McBride wrote:
Tommy Nordgren (email@hidden) on 2009-02-06 7:55 PM said:
I have decided to do an implementation myself, as an objective c++
wrapper to
std::set<id>. I want to use the class to aid in destruction of
directed cyclical object graphs,
in dual mode frameworks.
"Dual mode" as in both Retain-Release and Garbage Collection? If
so, be
careful. I don't think an std::set will keep strong references to the
Obj-C objects it contains. You may need to CFRetain()/CFRelease()
your
objects manually.
You could just use CFSetCreateMutable with NULL retain/hash callback
functions and CFRetain/CFRelease ownership. The nice part is that it
can then be cast to an NSMutableSet.
--
Adam
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