On Jul 7, 2009, at 6:31 AM, Michael de Haan wrote:
+ (NSSet *)keyPathsForValuesAffectingBmi /* "bmi" is model Ivar */ { return [ NSSet setWithObjects:@"weight", @"height", nil]; }My question. I included the above method in the model, as this is the only place available. I just wonder if this is correct?
The only appropriate location for the method is the object that has all of the referenced properties.
(in a sense it "enables" the getter "bmi". )
Not in any sense, really. It simply tells all observers of "bmi" that "bmi" has changed every time "weight" or "height" changes.
Keary Suska Esoteritech, Inc. "Demystifying technology for your home or business" _______________________________________________ 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
