Swift version: 5.6
Swift 2.2 introduced a lot of major language changes. You can read my full article explaining the changes with code examples by clicking here, but here are the highlights:
SPONSORED In-app subscriptions are a pain. The code can be hard to write, full of edge cases, and time-consuming to maintain. RevenueCat provides a backend and wrapper around StoreKit to make things simple so you can focus on building your app.
Available from iOS 7.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
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