Combine was revealed in WWDC 2019 and is a “Unified, declarative API for processing values over time”.

  • Focus on using Generics in order to reduce amount of boilerplate code.
  • Write common generic algorithms about asynchronous behaviors only once but they will apply to many types of asynchronous operations.
  • Core properties…

2 Main frameworks for networks on iOS: NSURLSession and Network.framework.

Low Data Mode

New feature in iOS13. Intended to use less data on a particular network, such as a congested on-airplane Wi-Fi network. Explicit signal to your users and to the application to use less data. Works on wifi and cell network. …

Alexei: App maker, interested in many topics.

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