native time

func getms {
    0 time
}

func sleep {
    time pop
}

func delay {
    time pop
}

func delays {
    1000 * time pop
}

def Timer 
construct Timer {
    startMS
    stopMS
    timeTakenTMP
    ;
    start {
        getms =startMS
        null =timeTakenTMP
    }
    stop {
        getms =stopMS
        null =timeTakenTMP
    }
    timeTaken {
        timeTakenTMP if {
            timeTakenTMP 2 stop
        }
        startMS stopMS eq if {
            0 dup =timeTakenTMP
            2 stop
        }
        stopMS startMS - dup =timeTakenTMP
    }
} =Timer