In this chapter we open the door to four topics that either have no counterpart in ActionScript or that Swift redefines in a way that can make them seem new to an ActionScript developer. Enumerations and generics fall under the first category. Subscripts and closures, although present in ActionScript, are taken to a whole new level in terms of functionality and expressiveness. Curious? I was . . .
Enumerations
An enumeration or enum is a type that you declare to define a set of names, ...