X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/aa14a4cddcb96b681d5c19a2ec8bad382f43b264..a51bf71aded809cccbd23adafb405678ed1944b2:/src/output-impl.lisp

diff --git a/src/output-impl.lisp b/src/output-impl.lisp
index 30d0c80..7c3f436 100644
--- a/src/output-impl.lisp
+++ b/src/output-impl.lisp
@@ -32,11 +32,22 @@
   (print-unreadable-object (item stream :type t)
     (prin1 (sequencer-item-name item) stream)))
 
+(defmethod shared-initialize ((sequencer sequencer) slot-names
+			      &key (constraints nil constraintsp))
+  (call-next-method)
+  (when constraintsp
+    (setf (slot-value sequencer 'constraints)
+	  (mapcar (lambda (constraint)
+		    (mapcar (lambda (name)
+			      (ensure-sequencer-item sequencer name))
+			    constraint))
+		  (reverse constraints))))
+  sequencer)
+
 (defmethod ensure-sequencer-item ((sequencer sequencer) name)
   (with-slots (table) sequencer
     (or (gethash name table)
-	(setf (gethash name table)
-	      (make-instance 'sequencer-item :name name)))))
+	(setf (gethash name table) (make-sequencer-item name)))))
 
 (defmethod add-sequencer-constraint ((sequencer sequencer) (constraint list))
   (let ((converted-constraint