Generic Function slot-definition-initform
Returns the initialization form of slot. This can be any form. This is the defaulted value of the :initform initialization argument that was associated with the slot definition metaobject during initialization. When slot has no initialization form, the value returned is unspecified (however, slot-definition-initfunction is guaranteed to return nil).
slot-definition-initform (slot-definition standard-slot-definition)
No behavior is specified for these methods beyond that which is specified for their respective generic functions.