ThreadSafeBox: store Mutex directly in a class#66
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Switch from `struct` wrapping `RefBox<Mutex<Value>>` to a `final class` holding `Mutex<Value>` directly. Works around rdar://179961254 where a Mutex stored via `RefBox<Mutex<...>>` is not destroyed.
hamishknight
approved these changes
Jun 18, 2026
ahoppen
approved these changes
Jun 19, 2026
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Switch from
structwrappingRefBox<Mutex<Value>>to afinal classholdingMutex<Value>directly.Works around rdar://179961254 where a Mutex stored via
RefBox<Mutex<...>>is not destroyed.