Updated: 3rd September 2017.
- Checked syntax using Xcode 9.0 beta 6.
- Added section on allowing for nulls.
Since JSON has become the de facto standard for data transfers around the
internet, there has always been a lot of interest in Swift libraries to parse
JSON into Swift classes or structs. Searching for “swift json library” on
77 86 repositories. So why are there so many? And
what has Swift 4 done to sherlock them all?