Please apply the following forward-and-backward compatible diff for SBCL. closure-header-widetag is pending removed in the next release.
diff --git a/ginspect.lisp b/ginspect.lisp index 3d448f8..a5ad37d 100644 --- a/ginspect.lisp +++ b/ginspect.lisp @@ -252,8 +252,7 @@ (inspected-standard-object-elements object))) #+:sbcl (defmethod inspected-parts ((object function)) - (let* ((type (sb-kernel:widetag-of object)) - (object (if (= type sb-vm:closure-header-widetag) + (let ((object (if (sb-kernel:closurep object) (sb-kernel:%closure-fun object) object))) (values (format nil "FUNCTION ~S.~@[~%Argument List: ~A~]." object