func GetInner
ActionGetInner returns the persisted Inner. Non-crossing: the caller's realm stays current, but the returned *Inner carries PkgID = innerowner from its init-time allocation.
Package innerowner persists an \*Inner that lives in this realm. Foreign-realm callers use GetInner() to obtain a poi...
Package innerowner persists an *Inner that lives in this realm. Foreign-realm callers use GetInner() to obtain a pointer to it. When they pass it as the receiver of a /p/ method, PushFrameCall's borrow rule 2 fires and m.Realm shifts to this realm.