On Sep 1, 2013, at 1:41 PM, Greg Parker <gpar...@apple.com> wrote: > > You're not entirely left up to their whim. A return value whose declared type > is immutable imposes restrictions on both sides: > 1. You must not mutate the returned object. > 2. The returned object will not be mutated behind your back by anyone else.
Sadly, the frameworks don't always live up to their end of the bargain on this one. Sometimes their failure to do so is documented—see -[NSTextStorage string], for instance. But usually it’s not. --Kyle Sluder _______________________________________________ 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
