=act,clu,con,doc,per,rem,sam #15114 append missing parens at Actor.sender() invocations

akka-docs/rst/scala/code/docs/actor/FaultHandlingDocSample.scala

@@ -95,7 +95,7 @@ class Worker extends Actor with ActorLogging {
 
   def receive = LoggingReceive {
     case Start if progressListener.isEmpty =>
-      progressListener = Some(sender)
+      progressListener = Some(sender())
       context.system.scheduler.schedule(Duration.Zero, 1 second, self, Do)
 
     case Do =>

akka-docs/rst/scala/code/docs/io/ReadBackPressure.scala

@@ -25,8 +25,8 @@ object PullReadingExample {
       //#pull-accepting
       case Bound(localAddress) =>
         // Accept connections one by one
-        sender ! ResumeAccepting(batchSize = 1)
-        context.become(listening(sender))
+        sender() ! ResumeAccepting(batchSize = 1)
+        context.become(listening(sender()))
         //#pull-accepting
         monitor ! localAddress
     }
@@ -34,8 +34,8 @@ object PullReadingExample {
     //#pull-accepting-cont
     def listening(listener: ActorRef): Receive = {
       case Connected(remote, local) =>
-        val handler = context.actorOf(Props(classOf[PullEcho], sender))
-        sender ! Register(handler, keepOpenOnPeerClosed = true)
+        val handler = context.actorOf(Props(classOf[PullEcho], sender()))
+        sender() ! Register(handler, keepOpenOnPeerClosed = true)
         listener ! ResumeAccepting(batchSize = 1)
     }
     //#pull-accepting-cont

akka-docs/rst/scala/code/docs/persistence/PersistenceDocSpec.scala

@@ -172,7 +172,7 @@ trait PersistenceDocSpec {
       def receive = {
         case p @ Persistent(payload, _) =>
           //#channel-example-reply
-          channel ! Deliver(p.withPayload(s"processed ${payload}"), sender.path)
+          channel ! Deliver(p.withPayload(s"processed ${payload}"), sender().path)
         //#channel-example-reply
       }