switch (arg) {
case "-d":
case "--debug":
    debug = true
    break
case "-f":
    force = true
    break
default:
    throw "Unknown option " + arg
}

switch (value) {
case > 40:
    println ("OK")
    break
case < 20:
    println ("FAILED")
    break
case in 50..59:
   println ("WIERD")
   // fall through
default:
    println ("RETRY")
}