Swift issue with nil found while unwrapping an Optional value NSDefautlts

Question

Issue with fatal error: unexpectedly found nil while unwrapping an Optional value.

let lastupdate = defaults.stringForKey(\"localdate\")
self.lastUpdate.tex         


        

Answer 1

let lastupdate = defaults.stringForKey("localdate")
self.lastUpdate.text = {
    if let date = lastupdate {
        return "Updated at \(date)"
    }
    return "Not yet updated"
}()