Branch :
quote require Counter require Counter quote a = Counter.new(0) a = Counter.new(0) quote Counter.get(a) Counter.get(a) quote Counter.increase(a, 1) Counter.increase(a, 1) quote Counter.get(a) Counter.get(a) quote Counter.increase(a, 10) Counter.increase(a, 10) quote Counter.get(a) Counter.get(a) quote Counter.decrease(a, 5) Counter.decrease(a, 5) quote Counter.get(a) Counter.get(a) quote Counter.delete(a) Counter.delete(a)