> On Jun 13, 2015, at 7:54 AM, Jonathan Schleifer <[email protected]> > wrote: > Hi! > > I saw that there's a __has_feature() for objc_generics and objc_kindof, > however, there doesn't seem to be objc_nullability or similar. Since the > sources for the Clang from Xcode 7 haven't been released, I grepped through > `strings clang`, however, I could not find anything useful. > > What is the best way to check if the compiler supports nullability, so that > if not I can #define nonnull and friends to nothing? > > PS: I also found objc_generics_variance - what's that?
The feature test for the “covariant” and “contravariant” annotations. John. _______________________________________________ Do not post admin requests to the list. They will be ignored. Objc-language mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/objc-language/archive%40mail-archive.com This email sent to [email protected]
