On Friday, June 26, 2009, at 07:27PM, "James Gregurich" <bayoubenga...@mac.com> wrote: >I've never seen an objc class that mysteriously hangs around beyond the >destruction of its dependencies (including any autorelease pools that contain >it). I wouldn't be shocked if there were some....maybe some system singletons?
System singletons are not an example of something mysteriously hanging around. If you think they are, you have a very basic misunderstanding. By design, they do not have all their dependencies destroyed. No mystery. >GC isn't nirvana. it does have its perils and issues, and you have to be >aware of them and code around them. You can't just turn it on and some how >everything magically works. There is no perfect solution to memory management. True, but also a complete straw man. >additionally, I find the notion of adding an extra subsystem that periodically >scans memory looking for pointers to be foolhardy. my code already knows what >needs to be cleaned up and when. Actually, it very often doesn't. That's why you never call dealloc, only retain and release. That's the whole *point* of retain and release. > I don't need a system sitting in the background scanning memory trying to > clean up behind me. All I need is a mechanism to do the cleanup in a > maintainable and extensible manner. You could make very similar arguments about threading or about object orientation -- especially Objective-C's flavor of object orientation. Why should I let some mysterious scheduler decide on a random order for my code to execute? Why should I let some mysterious method dispatcher decide which function to call when I know perfectly well what I meant? >I'm just expressing my personal opinion. I realize GC has its fans who will >disagree. It's perfectly valid to have a personal level of comfort or discomfort with a given technology (depending not only on conceptual merits but maturity of implementation), but I have no idea where you get the idea this is about fandom. What, is there a GC team with cheerleaders? Is there a clique of cool kids who only do retain-release? --Andy _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
