interface Device

interface Positioner: Device {
    fun home()
}

interface XYPositioner<T: Comparable<Number>>: Positioner {
    fun moveTo(x: T, y: T)
}

interface XYSpeedPositioner<T: Comparable<Number>>: XYPositioner<T> {
    val minSpeed: T?
    val maxSpeed: T?
    val defaultSpeed: T
    // public fun <T : Comparable<T>> T.coerceIn(minimumValue: T?, maximumValue: T?): T {
    fun coerceSpeed(speed: T): T = speed.coerceIn(minSpeed, maxSpeed) ?: defaultSpeed
    override fun moveTo(x: T, y: T) = moveTo(x, y, defaultSpeed)

    fun moveTo(x: T, y: T, speed: T)
}