What is structured concurrency?

Asked on 10/01/2024

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Structured concurrency in Swift is a programming model that helps manage concurrent tasks in a more organized and predictable manner. It is designed to simplify the complexity of concurrent programming by providing clear and structured ways to define and manage tasks, ensuring that they are executed in a safe and efficient manner.

In Swift, structured concurrency is achieved through features like async/await and actors. These features allow developers to write asynchronous code that is easier to read and maintain, while also providing safety guarantees against data races. The Swift concurrency model ensures that data races, which can occur when multiple threads access shared data simultaneously, are caught at compile time, reducing runtime errors and improving the overall reliability of applications.

For more detailed information on structured concurrency, you can refer to the session A Swift Tour: Explore Swift’s features and design at the 18:33 mark, which covers concurrency in Swift.