A type for propagating an unmanaged object reference.
SDK
Framework
@frozen struct Unmanaged<Instance> where Instance : AnyObject
When you use this type, you become partially responsible for keeping the object alive.
func autorelease() -> Unmanaged<Instance>Performs an unbalanced autorelease of the object.
func release()Performs an unbalanced release of the object.
func retain() -> Unmanaged<Instance>Performs an unbalanced retain of the object.
func takeGets the value of this unmanaged reference as a managed reference and consumes an unbalanced retain of it.
func takeGets the value of this unmanaged reference as a managed reference without consuming an unbalanced retain of it.
func toUnsafely converts an unmanaged class reference to a pointer.
static func fromUnsafely turns an opaque C pointer into an unmanaged class reference.
static func passCreates an unmanaged reference with an unbalanced retain.
static func passCreates an unmanaged reference without performing an unbalanced retain.
func withEvaluates a closure while ensuring that the given instance is not destroyed before the closure returns.
func withEvaluates a closure while ensuring that the given instance is not destroyed before the closure returns.