Treating a forced downcast as optional will never produce ‘nil’
Let’s take a closer look at your last line, and explode it to see what’s happening: let temporaryAnyObject = test() let temporaryString = temporaryAnyObject as String dict[“test”] = temporaryString The error is on the second line, where you are telling the compiler to enforce that temporaryAnyObject is definitely a String. The code will still compile … Read more