Re: Redefining structure accessors (summary)
Helmut Eller <[email protected]>
| Newsgroups | gmane.lisp.cmucl.devel |
|---|---|
| Message-ID | <[email protected]> |
* Raymond Toy [2010-03-16 21:48+0100] writes: > Actually, there's one other alternative. When the accessor is > redefined, we can silently (or noisily) replace the dsd-accessor > function with nil. Then we don't get the strange behavior of our > redefined function being used to access the slot. This also means we > can't actually access the slot ourselves either because we'll try to get > the fdefinition of nil. But the structure and everything else remains > defined. > > (I have not tried that out yet.) If it works, good. > I also notice that you can redefine the structure predicate without > warning. Perhaps we should warn about this too. Possibly. At least typep is smart enough not to call the predicate name and still works if the predicate was redefined. Helmut