In Swift, what's the cleanest way to get the last two items in an Array?

Question

Is there a cleaner way to get the last two items of an array in Swift? In general, I try to avoid this approach since it\'s so easy to be off-by-one with the indexes. (Using

Answer 1

I doubt it's going to make you that much happier, but the math is certainly simpler:

func getLastTwo(array: [String]) -> [String] {
    if array.count <= 1 {
        return array
    } else {
        return array.reverse()[0...1].reverse()
    }
}

Note that reverse() is lazy, so this isn't particularly expensive.