(when (hash-table-weak-p hash-table)
;; FIXME: This might actually work with no trouble, but as of
;; sbcl-0.6.12.10 when this code was written, weak hash tables
(when (hash-table-weak-p hash-table)
;; FIXME: This might actually work with no trouble, but as of
;; sbcl-0.6.12.10 when this code was written, weak hash tables