src/Pure/Concurrent/thread_data_virtual.ML
changeset 74561 8e6c973003c8
parent 62923 3a122e1e352a
child 78716 97dfba4405e3
--- a/src/Pure/Concurrent/thread_data_virtual.ML	Wed Oct 20 17:11:46 2021 +0200
+++ b/src/Pure/Concurrent/thread_data_virtual.ML	Wed Oct 20 18:13:17 2021 +0200
@@ -11,7 +11,6 @@
 (
   type T = Universal.universal Inttab.table;
   val empty = Inttab.empty;
-  val extend = I;
   val merge = Inttab.merge (K true);
 );