Redefining structure accessors (summary)

[Helmut Eller]

* 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