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How do I safely cast a `_Nullable` to a `_Nonnull` in Objective-C?...

When decorating ObjC code with nullability annotations, do you also have to do the definition, or ju...

why do other properties need nullability type specifier...

What does id _Nullable __autoreleasing * _Nonnull mean?...

Conflicting documentation for `[UIView initWithFrame:]`: nullable or nonnull?...

Prevent Xcode from creating NS_ASSUME_NONNULL_BEGIN and NS_ASSUME_NONNULL_END on new headers...

Are Objective-C function results nonnull by default?...

Nullability rules for C++ objects in Objective-C++...

How to Make Compiler Assume `nullable` by Default...

Are _Nullable and _Nonnull useful for anything other than Swift interop?...

Exactly how to use nonnull in certain cases in Objective C...

Nullability annotation warnings after NS_ASSUME_NONNULL_END...

Strange CLANG_WARN_NULLABLE_TO_NONNULL_CONVERSION warning...

NSError, Swift, and nullability...

How to create class methods that conform to a protocol shared between Swift and Objective-C?...

Swift's use of Implicitly Unwrapped Optional before availability of nullability...

PF_NULLABLE parse framework difficult to understand, sending Message's to PFUser...

Objective-C Nullability: Qualifying Constant Strings...