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Proposed de facto standard subset of metaobjects
> SLOT-DEFINITION-LOCATORS is like SLOT-DEFINITION-WRITERS, and
> STANDARD-LOCATOR-METHOD is like STANDARD-WRITER-METHOD, except
> that they involve functions named (LOCF reader) instead of
> functions named (SETF reader).
> These probably exist in TI-CLOS, although I don't know whether they
> have the same names spelled the same way.
Oh, I see. No, the Explorer doesn't have these because locatives don't have
a DEFCLASS slot option comparable to :READER and :WRITER; an explicit
DEFMETHOD using (LOCF (SLOT-VALUE ...)) would be required. Since few people
use locatives, I don't think it would be worthwhile for :ACCESSOR to imply
automatically creating a LOCF method as well as a SETF method.