— Generic accessor: generic-function-method-class standard-generic-function

Usage: (setf (generic-function-method-class standard-generic-function) new-value)

— Specialized accessor: generic-function-method-class (standard-generic-function standard-generic-function)

Usage: (setf (generic-function-method-class (standard-generic-function standard-generic-function)) new-value) automatically generated reader method