Demonstrates run time error when the bounds of a date range is not in ascending order

Date.swift

//: Playground - noun: a place where people can play

import Cocoa

let now = Date()
let earlierDate = Date(timeIntervalSinceNow: -2 * 24 * 3600)

switch Date() {
case now..<earlierDate:
    print("hello")
default:
    print("nay")
}