> > On 14 Jul 2014, at 7:29 am, Trygve Inda <cocoa...@xericdesign.com> wrote: > >> Is NSInteger treated the same way? This page does not mention it: > > NSInteger is a typedef for 'long', which size depends on the platform (32/64 > bit), so valueForKey: will wrap it as a NSNumber using type 'long'. That's > safe across archives that are used in both 32 and 64 bit ISAs, though with > loss of precision if a 64-bit archive was dearchived on 32-bit (and this might > become a permanent loss if the data is reachived and then opened in 64-bit). > Scalar properties that explicitly declare 'long long' would be always 64-bit. > I doubt if this is an issue in practice.
So what is the purpose of valueForInteger ? _______________________________________________ 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
