X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/sod/blobdiff_plain/f64eb323a5798e155cc494043f5f750abf50a482..c41a95b125742d97c2d0ff782964c30421eaf5ee:/src/class-make-impl.lisp

diff --git a/src/class-make-impl.lisp b/src/class-make-impl.lisp
index 7263e44..78f8fed 100644
--- a/src/class-make-impl.lisp
+++ b/src/class-make-impl.lisp
@@ -66,6 +66,8 @@   (default-slot-from-property (class 'chain-link slot-names)
 (defmethod make-sod-slot
     ((class sod-class) name type pset &optional location)
   (with-default-error-location (location)
+    (when (typep type 'c-function-type)
+      (error "Slot declarations cannot have function type"))
     (let ((slot (make-instance (get-property pset :slot-class :symbol
 					     'sod-slot)
 			       :class class