for thing in things {
    switch thing {
    case 0 as Int:
        println("zero as an Int")
    case 0 as Double:
        println("zero as a Double")
    case let someInt as Int:
        println("an integer value of \(someInt)")
    case let someDouble as Double where someDouble > 0:
        println("a positive double value of \(someDouble)")
    case is Double:
        println("some other double value that I don't want to print")
    case let someString as String:
        println("a string value of \"\(someString)\"")
    case let (x,y) as (Double,Double):
        println("an (x,y) point at \(x),\(y)")
    case let movie as Movie:
        println("a movie called '\(movie.name)',dir. \(movie.director)")
    default:
        println("something else")
    }
}