Beware @unchecked Sendable, or Watch Out for Counterintuitive Implicit Actor-Isolation
Read OriginalThis technical blog post explores a specific concurrency issue in Swift 6, where using @unchecked Sendable for a logging API led to runtime crashes. The author explains the compiler warnings about nonisolated mutable state, critiques potential fixes like using @MainActor, and discusses more sophisticated solutions involving custom actors to preserve performance and safety in a shared library.
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