text: //
  //  DUQRScanVC.h
  //  DUQRCode
  //
  //  Created by dongchenxi on 2019/12/21.
  //  Copyright © 2019 dongchenxi. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  #define DDDebugLog NSLog(@"%@ %@", NSStringFromClass(self.class), NSStringFromSelector(_cmd));
  
  NS_ASSUME_NONNULL_BEGIN
  
  typedef  void (^DUQRScanCompletion)(NSString *result);
  
  @interface DUQRScanVC : UIViewController
  
  - (void)startWithCompletion:(DUQRScanCompletion)completion;
  
  @end
  
  NS_ASSUME_NONNULL_END
  