Extension on CBUUID to return a UUID

CBUUID to UUID

extension CBUUID {
    var UUIDValue: UUID? {
        get {
            return self.data.withUnsafeBytes { buffer in
                guard buffer.count == MemoryLayout<uuid_t>.size else { return nil }
                let uuid = buffer.bindMemory(to: uuid_t.self)
                return UUID(uuid: uuid.baseAddress!.pointee)
            }
        }
    }
}