I’m having trouble understanding optionals so here is a shot at explaining them. 🙂 var thisIsAnInt: Int Simple, this is an Int variable declaration. var couldBeAnInt: Int? This on the other hand is an optional variable declaration. This optional declaration doesn’t mean: “this is an int, which is optional”. It reads more like: This is an OPTIONAL variable.  It’s a type of variable in and of itself.  Its NOT NECESSARILY an Int.  It just may or may NOT contain an Int”. Woah! Ok so what is it for and when do you use it.  Well that part seems simple enough: If that variable can or could or may be nil… Read More
Continue Reading