X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/d83a91c663ced211bb7e4509f800859c3fa086e9..c2438e62e7c3cf1b7006522cef61e8c6f797600b:/src/class-utilities.lisp

diff --git a/src/class-utilities.lisp b/src/class-utilities.lisp
index f00bc64..0aec35a 100644
--- a/src/class-utilities.lisp
+++ b/src/class-utilities.lisp
@@ -189,6 +189,10 @@
 (defun vtmsgs-struct-tag (class super)
   (format nil "~A__vtmsgs_~A" class (sod-class-nickname super)))
 
+(export 'vtable-union-tag)
+(defun vtable-union-tag (class chain-head)
+  (format nil "~A__vtu_~A" class (sod-class-nickname chain-head)))
+
 (export 'vtable-struct-tag)
 (defun vtable-struct-tag (class chain-head)
   (format nil "~A__vt_~A" class (sod-class-nickname chain-head)))