CLOS is dynamic 2

• You can change the class of an instance at any time:

cg-user(7): (defclass c1 ()  ((x :initform 10 :initarg :x)

(y :initform 55 :initarg :x)

(z :initform 99 :initarg :z)))

#<standard-class c1>

cg-user(8): (defclass c2 ()  ((a :initform "slota" :initarg :a)

(y :initform "sloty" :initarg :y) (c :initform "slotc" :initarg :c)))

#<standard-class c2>

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