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src/Pure/Concurrent/consumer_thread.scala
changeset 74254 53e1a14e2ef1
parent 74253 45dc9de1bd33
child 75393 87ebf5a50283 
--- a/src/Pure/Concurrent/consumer_thread.scala	Tue Sep 07 15:10:53 2021 +0200
+++ b/src/Pure/Concurrent/consumer_thread.scala	Tue Sep 07 15:15:13 2021 +0200
@@ -49,7 +49,7 @@
 
   private val thread = Isabelle_Thread.fork(name = name, daemon = daemon) { main_loop(Nil) }
   def is_active(): Boolean = active && thread.isAlive
-  def check_thread: Boolean = Thread.currentThread == thread
+  def check_thread(): Boolean = Thread.currentThread == thread
 
   private def failure(exn: Throwable): Unit =
     Output.error_message(
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