This class is defined in the package eieio-base.
Sometimes it is useful to keep a master list of all instances of a given
class. The class
eieio-instance-tracker performs this task.
Enable instance tracking for this class.
The slot tracker-symbol should be initialized in inheritors of
this class to a symbol created with
defvar. This symbol will
serve as the variable used as a master list of all objects of the given
This method is defined as an
It adds new instances to the master list. Do not overload this method
unless you use
Remove obj from the master list of instances of this class. This may let the garbage collector nab this instance.
This convenience function lets you find instances. key is the
value to search for. slot is the slot to compare KEY
against. The function
equal is used for comparison.
The parameter list-symbol is the variable symbol which contains the
list of objects to be searched.