用目标C编写的成功与失败块，迅速显示错误

Question

I have made a success & failure block in objC and I am trying to use that function in swift. Getting error, I'm stuck on it please help me.

Objective C :

  -(void)registerAppWithSuccessBlock:(void (^)(id responseObject))success andFailureBlock:(void (^)(NSError *error))failure{}

I am calling the same function in swift its showing error.

Swift :

  USSecService.sharedInstance().registerAppWithSuccessBlock({(responseObject : AnyObject) -> Void in{code}
    }, andFailureBlock: { (error : NSError) -> Void in  {code}
  })

Getting this Error :

   Cannot invoke 'registerAppWithSuccessBlock' with an argument list of type '((AnyObject) -> Void, andFailureBlock: (NSError) -> Void)'

Answer 1

USSecService.sharedInstance().registerAppWithSuccessBlock({ (responseObject) -> Void in
        print("Success")
    }, andFailureBlock: { (error) -> Void in
        print("Failure")
    })

Answer 2

You don't need to specify the argument type in those closures. Change your swift code like below:

Without second closure label syntax:

USSecService.sharedInstance().registerAppWithSuccessBlock({ (responseObject) -> Void in
     // Your success code
  }){ (error) -> Void in
     // Your error code
}

or

With second closure label syntax:

USSecService.sharedInstance().registerAppWithSuccessBlock({ (responseObject) -> Void in
    // Your success code
 }, andFailureBlock: ({ (error) -> Void in
    // Your error code 
 }))