Method: (WORK-LEFT MARK-AND-SWEEP-HEAP)

Documentation

Returns the amount of work that needs to be done (i.e. octets that must be 'collected') before the current garbage collection has finished.

Source

(defmethod work-left ((heap mark-and-sweep-heap))
  "Returns the amount of work that needs to be done (i.e. octets that must be
'collected') before the current garbage collection has finished."
  (- (max-work heap) (work-done heap)))