I have the following class, it was internal by default, but I’ve made it so
explicitly for the purpose of the question.
internal class ControllerBTLEListener: NSObject, CBCentralManagerDelegate
{
// the queue for all our operations
static let queue : dispatch_queue_t = dispatch_queue_create( "BTLE
queue", DISPATCH_QUEUE_SERIAL )
// implementation of CBCentralManagerDelegate
func centralManagerDidUpdateState(central: CBCentralManager)
{
}
}
in this class, centralManagerDidUpdateState() is an internal function however
the compiler is happy that the class satisfies CBCentralManagerDelegate even
though that protocol is public and centralManagerDidUpdateState() is also
public. How can this be, how can an internal function make a class conform to a
public method on a public protocol. That function is required in the protocol.
It gets stranger. If I change the class from internal to public the I’m
required to mark centralManagerDidUpdateState() as public (it would be internal
by default) to conform to the protocol so the compiler seems to know that
function has to be public, but is allowing it to be internal if the class
itself is internal.
Compiler bug or more lack of understanding here?
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