DeltaOrd
@implicitNotFound("Ordering not defined in scope for DeltaQuantity[${VL}, ${UL}] and DeltaQuantity[${VR}, ${UR}]")
abstract class DeltaOrd[B, VL, UL, VR, UR] extends (DeltaQuantity[VL, UL, B], DeltaQuantity[VR, UR, B]) => Int
class Object
trait Matchable
class Any