Leveraging structured concurrency in your applications
summary
Explains concrete patterns: use swift-service-lifecycle’s ServiceGroup to run components in child tasks, handle Unix signals and perform graceful shutdown instead of canceling everything at once; implement with-style methods that return generics, use the sending/inout sending keywords to avoid data races, and add a cancellation shield for async cleanup. Demonstrates a gRPC “pretzel” server streaming a file with backpressure and a logging backend; the pattern prevents unstructured-task DoS and composes across Swift 6 concurrency features.
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chapters (6)
- 0:00Introduction and motivation
- 3:19Problems with unstructured concurrency
- 10:02Swift Service Life Cycle package
- 15:41Fixing with-style methods in Swift
- 22:12Composing structured concurrency
- 28:31Key takeaways and conclusion
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