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-rw-r--r--Lisp/data-types.lisp7
1 files changed, 7 insertions, 0 deletions
diff --git a/Lisp/data-types.lisp b/Lisp/data-types.lisp
index 6181a3b..16d9147 100644
--- a/Lisp/data-types.lisp
+++ b/Lisp/data-types.lisp
@@ -98,6 +98,13 @@
(invoke-by-name class "hash"))))
+(defmethod print-object ((selector selector) stream)
+ (print-unreadable-object (selector stream)
+ (format stream "~S `~A'"
+ 'selector
+ (selector-name selector))))
+
+
(defmethod print-object ((exception exception) stream)
(print-unreadable-object (exception stream)
(format stream "~S ~A {~X}"