X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/sod/blobdiff_plain/b426ab51d0598242a4c2b57d563341db66d71f7b..refs/heads/buildable/master:/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 @@ (export 'vtmsgs-struct-tag)
 (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)))