> On Oct 7, 2016, at 7:02 AM, Ingo Maier via swift-users > <swift-users@swift.org> wrote: > > Is there a way in Swift 3 to pass a null pointer to a C function that > takes an implicitly unwrapped unsafe pointer? I understand that > pointer parameters in C that don't specify nullability are mapped to > implicitly unwrapped pointers in Swift 3. Since it's not uncommon for > existing unannotated C APIs to accept null pointers, I assume there > has to be a way other than creating my own bridge functions in C. I > hope I am not wrong. > > I am a bit surprised that I couldn't find an answer to this, neither > on this list nor on stackoverflow, as I presume I am not the only one > with this problem. Sorry, if I missed something.
An implicitly unwrapped Optional is still an Optional. You can use `nil` to pass a null pointer. -Joe _______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users