Instance member cannot be used on type | Closures

Question

I have a very simple NSViewController , which hits an API using a WeatherFetcher class. It passes a completion handler as a parameter, so that the

Answer 1

You don't have access to the instance scope when initialising properties, you can only access the static context.

Try this:

var currentWeatherCallback: Weather? -> Void { return
    { (weather: Weather?) in
        self.currentTemp.stringValue = weather?.updatedTime
    }
}