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