;;; Construct instance with default slot values lvars instance1 = newMyClass(); ;;; Construct instance with explicitely given slot values lvars instance2 = consMyClass(15); ;;; Print slot value using dot notation instance1.value => instance2.value => ;;; Print slot value using funtional notation value(instance1) => ;;; Change slot value 12 -> value(instance1); ;;; Print it value(instance1) =>