sharedUnownedExecutor

Declaration

static var sharedUnownedExecutor: UnownedSerialExecutor { get }

Discussion

When declaring a global actor with a custom executor, prefer to implement the underlying actor’s unownedExecutor property, and leave this sharedUnownedExecutor default implementation in-place as it will simply delegate to the shared.unownedExecutor.

The value of this property must be equivalent to shared.unownedExecutor, as it may be used by the Swift concurrency runtime or explicit user code with that assumption in mind.

Returning different executors for different invocations of this computed property is also illegal, as it could lead to inconsistent synchronization of the underlying actor.