On Feb 7, 2014, at 4:26 AM, Graham Cox <graham....@bigpond.com> wrote:
> I'm using NSPointerArray to hold a list of weak references.
> 
> In one case, I need to enumerate these in a mutation-safe way, so I make a 
> copy of the pointer array before iterating it. That works fine on 10.7 and 
> later, but on 10.6.x, I get a runtime exception that [NSConcretePointerArray 
> copyWithZone:] is abstract*. NSPointerArray documentation says that it 
> supports NSCopying and is available from 10.5 and later. Was -copy not 
> properly implemented until 10.7? How can I workaround this?

-[NSPointerArray copyWithZone:] was not implemented until 10.7. The alternative 
is to duplicate the contents of the array manually.


-- 
Greg Parker     gpar...@apple.com     Runtime Wrangler



_______________________________________________

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:
https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to