On Mar 12, 2010, at 12:19 PM, Eli Bach wrote: > > On Mar 12, 2010, at 9:58 AM, Alexander Spohr wrote: > >> >> what is your understanding of KVC? > > That it wouldn't do this merging of set's automatically. > > And I did just try it, and got a binding error: > > Cocoa Bindings: Error setting value for bound property instanceOfA of object > <controllerclass: 0x100675780>: [<_NSFaultingMutableSet 0x1006eab90> > addObserver:forKeyPath:options:context:] is not supported. Key path: relationC > > I figured it would be something like this, which is why I was looking at the > @unionOfSets operator in particular (as that's exactly what this is, a union > of all sets of relationC objects from a set of relationB objects.
And to follow up, I tried both instanceo...@unionofsets.relationb.relationc and instanceofa.relatio...@unionofsets.relationc and as an NSArrayControllers array binding [as the documentation says that @unionOfSets returns an array], and both resulted in a binding error at runtime. Eli _______________________________________________ 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
