Scm_GenericSlotUnbound 150 src/class.c SCM_DEFINE_GENERIC(Scm_GenericSlotUnbound, Scm_NoNextMethod, NULL); Scm_GenericSlotUnbound 1222 src/class.c Scm_VMApply(SCM_OBJ(&Scm_GenericSlotUnbound), \ Scm_GenericSlotUnbound 3077 src/class.c GINIT(&Scm_GenericSlotUnbound, "slot-unbound");