CaseIterable in Swift
It is often useful to know how many cases an enum has or to be able to iterate over all possible cases. Before Swift 4.2 you either needed to use a meta-programming tool like Sourcery or manually maintain the collection.
It is often useful to know how many cases an enum has or to be able to iterate over all possible cases. Before Swift 4.2 you either needed to use a meta-programming tool like Sourcery or manually maintain the collection.