> On Sep 21, 2016, at 10:07 PM, Quincey Morris > <quinceymor...@rivergatesoftware.com> wrote: > > On Sep 21, 2016, at 21:10 , Doug Hill <cocoa...@breaqz.com > <mailto:cocoa...@breaqz.com>> wrote: >> >> I believe the original question was why you can compare a string literal to >> another object pointer using the == operator and it somehow works. > > Actually, we’re more or less on the same page here, but for posterity… > > There’s no “somehow” with the == operator. It’s a C thing, not an Obj-C > thing, so putting it between two pointers is well-defined, even if either of > them happens to be an object reference. Indeed, constructs like "(void*)3" > are also a C thing
Just as an example of how this “somehow worked”, but just as easily couldn't: @“xyz123” == @“xyz123” isn’t guaranteed to resolve to YES. Crazy stuff. :) But I appreciate everyone jumping in on this topic, another thread for the ages. Doug Hill _______________________________________________ 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
