Cancelling tasks (swift concurrency Task)

Asked on 2025-07-16

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In Swift concurrency, tasks are the fundamental unit of concurrent execution. They represent independent concurrent execution contexts and are lightweight, allowing you to create many of them. You can wait for a task to complete to get its result, or you can cancel it if its work becomes unnecessary. This makes tasks particularly useful for handling operations like HTTP requests, where you might need to cancel a task if the request is no longer needed.

For more detailed information on Swift concurrency, you can refer to the session Embracing Swift concurrency, which covers the introduction of concurrency, concurrent functions, and more. Additionally, the session A Swift Tour: Explore Swift’s features and design provides an overview of concurrency in Swift, including task management and cancellation.