CoreBluetooth swift bug

gistfile1.txt

#import "ViewController.h"
@import CoreBluetooth;

@interface ViewController () <CBPeripheralManagerDelegate>
@property (nonatomic) CBPeripheralManager *peripheralManager;
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.peripheralManager = [[CBPeripheralManager alloc] initWithDelegate:self queue:nil options:nil];
}

- (void)peripheralManagerDidUpdateState:(CBPeripheralManager *)peripheral
{
    // Opt out from any other state
    if (peripheral.state != CBPeripheralManagerStatePoweredOn) {
        return;
    }

    CBMutableCharacteristic *characteristic = [[CBMutableCharacteristic alloc] initWithType:[CBUUID UUIDWithString:@"3E770C8F-DB75-43AA-A335-1013A728BF42"]
                                                                     properties:CBCharacteristicPropertyNotify
                                                                          value:nil
                                                                    permissions:CBAttributePermissionsReadable];
    
    CBMutableService *transferService = [[CBMutableService alloc] initWithType:[CBUUID UUIDWithString:@"CB0CC42D-8F20-4FA7-A224-DBC1707CF89A"]
                                                                       primary:YES];
    transferService.characteristics = @[characteristic];
    [self.peripheralManager addService:transferService];
}

- (void)peripheralManager:(CBPeripheralManager *)peripheral didAddService:(CBService *)service error:(NSError *)error
{
    NSLog(@"%@", peripheral);
}

@end

import UIKit
import CoreBluetooth

class ViewController: UIViewController, CBPeripheralManagerDelegate {

    var peripheralManager: CBPeripheralManager?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        peripheralManager = CBPeripheralManager(delegate: self, queue: nil, options: nil)
    }

    func peripheralManagerDidUpdateState(peripheral: CBPeripheralManager) {
        if peripheral.state != CBPeripheralManagerState.PoweredOn {
            return
        }
        
        let characteristic: CBMutableCharacteristic = CBMutableCharacteristic(type: CBUUID(string: "3E770C8F-DB75-43AA-A335-1013A728BF42"), properties: CBCharacteristicProperties.Notify, value: nil, permissions: .Readable)
        let transferService: CBMutableService = CBMutableService(type: CBUUID(string: "CB0CC42D-8F20-4FA7-A224-DBC1707CF89A"), primary: true)
        transferService.characteristics = [characteristic]
        self.peripheralManager!.addService(transferService)
        
    }
    
    func peripheralManager(peripheral: CBPeripheralManager, didAddService service: CBService, error: NSError?) {
        print(peripheral)
    }
    
}