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Allegro CL |
ANSI Common Lisp 7 Objects 7.2 Changing the Class of an Instance
7.2.1 Modifying the Structure of the InstanceIn order to make the instance conform to the class C
The values of local slots specified by both the class C
The values of slots specified as shared in the class C This first step of the update does not affect the values of any shared slots. |