swank:sldb-disassemble -> swank::sldb-disassemble (two colons) since it
is not exported.
(defun sldb-disassemble ()
"Disassemble the code for the current frame."
(interactive)
(let ((frame (sldb-frame-number-at-point)))
(slime-eval-async `(swank::sldb-disassemble ,frame) nil
(lambda (result)
(slime-show-description result nil)))))
-Alan