gistfile1.txt

        request(.GET, CUSTOMER_URL, parameters: params, encoding: .URL).responseJSON { (request, response, result) -> Void in
            var message = JSON(result.value ?? "")["message"].string ?? "Default value to make it nonOptional"
            switch(result) {
            case .Success(let json):
                if let customer = JSON(json)["customer"].dictionaryObject {
                    GlobalCache.sharedInstance.setCustomer(customer)
                }
                completion(succeed: response?.statusCode == 200, message: message) //ERROR
            case .Failure(_,_):
                completion(succeed: false, message: message) //ERROR
            }
        }