Reactive Programming with Swift 4

JSON encoding and decoding

Everyone's favorite change to Swift 4 is of course the latest way to parse JSON. If you have been part of the Swift community for a while now, you'll know that every month we have a new hot way to parse JSON or so it feels, and now finally, we have an official way, so let's take a look. Let's talk about the Why first; Swift didn't ship with any native archival or serialization APIs and instead benefited from the Objective-C implementations available to it. While this allowed us to achieve certain end goals, it was both restrictive in that only NSObject subclasses can benefit, and we had to implement solutions for value types and as always, the existing solutions, NSJSONSerialization and so on, are far from Swift ...