Don't write side-effecting nullary methods.

Style says never write methods like this:

  def foo: Unit

If it is Unit, then it is side-effecting, and should be

  def foo(): Unit

Since -Xlint warns about this, we must adhere to its dictate.

1 files changed, 2 insertions, 3 deletions

diff --git a/src/actors-migration/scala/actors/migration/StashingActor.scala b/src/actors-migration/scala/actors/migration/StashingActor.scala
index 9c3917b65e..d0a1432e72 100644
--- a/src/actors-migration/scala/actors/migration/StashingActor.scala
+++ b/src/actors-migration/scala/actors/migration/StashingActor.scala
@@ -18,7 +18,7 @@ trait StashingActor extends InternalActor {
   type Receive = PartialFunction[Any, Unit]
 
   // checks if StashingActor is created within the actorOf block
-  creationCheck;
+  creationCheck()
 
   private[actors] val ref = new InternalActorRef(this)
 
@@ -112,8 +112,7 @@ trait StashingActor extends InternalActor {
   /*
    * Checks that StashingActor can be created only by MigrationSystem.actorOf method.
    */
-  private[this] def creationCheck = {
-
+  private[this] def creationCheck(): Unit = {
     // creation check (see ActorRef)
     val context = MigrationSystem.contextStack.get
     if (context.isEmpty)