From: Tim Bradshaw on
On 2010-05-03 14:02:56 +0100, Norbert_Paul said:

> Does that always work?
>
> I searched the HS a lot but couldn'd find any guarantee that
> an accessor foo always has an (fdefinition `(setf ,foo)),
> neither could I find the contrary.

It pretty much has to work for ordinary CLOS classes (by "ordinary" I
mean "assuming no one has done too much MOP stuff"): If I can define a
method on (SETF FOO) then I can use FDEFINITION on it.