object Timer {
    def oncePerSecond(callback: () => Unit) {
        while (true) { callback(); Thread sleep 1000 }
    }

    def timeFlies() {
        println("time flies like an arrow...")
    }

    def main(args: Array[String]) {
        oncePerSecond(timeFlies)
    }
}

// vim: set ts=4 sw=4 et: