Obtenir les valeurs de CoreData en Swift

J'essaie de sortir et d'imprimer des deux valeurs de CoreData. L'une est la vitesse, l'autre est en degrés. Toutefois, les choses ne vont pas comme prévu. Tout d'abord, voici une partie du code:

  //Start fetching from CoreData

            request = NSFetchRequest(entityName: "WindData")

            request.returnsObjectsAsFaults = false

            results = context.executeFetchRequest(request, error: nil)

            if results!.count > 0 {

                for result: AnyObject in results! {

                    println(result)
                    println(result.speed)
                    println(result.degrees)


                }
            }
            else {
                println("No data")
            }

Quand j'ai tout simplement imprimer les résultats que j'obtiens les valeurs:

<NSManagedObject: 0x7f944a734e80> (entity: WindData; id: 0xd000000000740000 <x-coredata://762EB8C2-DDCF-43F5-8DFC-FAB9A29532E1/WindData/p29> ; data: {
degrees = 190;
speed = 8; })

println(result.la vitesse) écrit dans la console: 2.34181 e-38
et println(result.degrés) ne me permet pas de compiler et me dit que AnyObject n'ont pas un membre nommé degrés (même si elle n'a évidemment)

Désolé pour les erreurs de débutant, c'est ma première publication sur Stackoverflow.

Voici le code complet:

    //
// ViewController.swift
// KitesurfioApp
//
// Created by Lasse Kristensen on 24/10/14.
// Copyright (c) 2014 Lasse Kristensen. All rights reserved.
//

import UIKit
import CoreData
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
//Set logo in nav bar

navigationItem.titleView = UIImageView(image: UIImage(named: "logo"))
//Global save values

var appDel: AppDelegate = UIApplication.sharedApplication().delegate as AppDelegate
var context: NSManagedObjectContext = appDel.managedObjectContext!
//JSON Fetching

let urlPath = "http://api.openweathermap.org/data/2.5/weather?lat=55.564120&lon=12.568605"
let url = NSURL(string: urlPath)
let session = NSURLSession.sharedSession()
let task = session.dataTaskWithURL(url!, completionHandler: {data, response, error -> Void in
if (error != nil) {
println(error)
}
else {
//Delete old entries in CoreData

var request = NSFetchRequest(entityName: "WindData")
request.returnsObjectsAsFaults = false
var results = context.executeFetchRequest(request, error: nil)
for result in results! {
context.deleteObject(result as NSManagedObject)
context.save(nil)
}
//Start fetching JSON

let jsonResult = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers, error: nil) as NSDictionary
var item = jsonResult["wind"] as NSDictionary
var degrees:Int = item["deg"] as NSInteger
var speed:Float = item["speed"] as Float
//Start saving JSON

var newItem = NSEntityDescription.insertNewObjectForEntityForName("WindData", inManagedObjectContext: context) as NSManagedObject
var speedValue:NSNumber = speed as NSNumber
var degreesValue:NSNumber = degrees as NSNumber
newItem.setValue(speedValue, forKey: "speed")
newItem.setValue(degreesValue, forKey: "degrees")
context.save(nil)
}
})
task.resume()
//Start fetching from CoreData

var request = NSFetchRequest(entityName: "WindData")
request = NSFetchRequest(entityName: "WindData")
request.returnsObjectsAsFaults = false
var results = context.executeFetchRequest(request, error: nil)
if results!.count > 0 {
for result: AnyObject in results! as [WindData] {
println(result)
println(result.speed)
}
}
else {
println("No data")
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
//Dispose of any resources that can be recreated.
    }
}