A Swift module has to call into legacy Objective-C code and be called from it. How do you set up bridging in both directions?
ObjC to Swift goes through the bridging header; Swift to ObjC goes through the generated -Swift.h header. Only @objc members on NSObject-based types are visible to ObjC.
SwiftShort answerBasics
What can Any, AnyObject, and NSObject each hold?
#objc
SwiftShort answerAdvanced
Say your resume claims "ContiguousArray is faster than Array." In a pre-interview the…
#bridging
SwiftShort answerAdvanced
You need to use a C++ video-processing library from a Swift app. Would you go with the…
#bridging
PersistenceShort answerBasics
In the Objective-C days, YYModel and MJExtension turned JSON into models and even handled…
#runtime