NSURLSession completion block not called

Question

var session = NSURLSession.sharedSession()
session.dataTaskWithRequest(urlRequest, 
                            completionHandler: {(data: NSData!, 
                             


        

Answer 1

It'll be something like this in Swift 2.x

NSURLSession.sharedSession().dataTaskWithRequest(theRequest) { (data, response , error) in
    print(response)
}.resume()