|copyable-mixin||provides method for doing copy that creates a copy on an object.|
each mixin should provide a...
|copy-inner||copy the relevant portions of self into copy-object.|
ok if it calls copy on sub-objects.
|copy-inner-class||Defined for each component class of an object with mixin COPYABLE-MIXIN.|
It should setup its...
|copy-one||returns a fullfledged copy of self, set-up and ready to go.|
|copy-self||return a new, empty version of self|
|copy-thing||Copy objects with aribtrarily complex substructure.|
Objects are kept track of in a HashTable, so ...