John Sundell • 12/2/2021

What role do Tasks play within Swift’s concurrency system?

This article explores the role of Tasks in Swift's concurrency system introduced in Swift 5.5. It details how Tasks create asynchronous contexts for calling async APIs, control code execution and cancellation, and act as a bridge between synchronous UI code and background operations. It specifically covers using Tasks within UIKit view controllers, the automatic main thread dispatch via MainActor, and the reduction of manual bookkeeping compared to older asynchronous patterns.

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#concurrency #async-await #Io