src/Tools/Graphview/model.scala
changeset 73340 0ffcad1f6130
parent 71601 97ccf48c2f0c
child 73359 d8a0e996614b
--- a/src/Tools/Graphview/model.scala	Mon Mar 01 20:12:09 2021 +0100
+++ b/src/Tools/Graphview/model.scala	Mon Mar 01 22:22:12 2021 +0100
@@ -19,13 +19,13 @@
 
   private var _mutators : List[Mutator.Info] = Nil
   def apply(): List[Mutator.Info] = _mutators
-  def apply(mutators: List[Mutator.Info])
+  def apply(mutators: List[Mutator.Info]): Unit =
   {
     _mutators = mutators
     events.event(Mutator_Event.New_List(mutators))
   }
 
-  def add(mutator: Mutator.Info)
+  def add(mutator: Mutator.Info): Unit =
   {
     _mutators = _mutators ::: List(mutator)
     events.event(Mutator_Event.Add(mutator))
@@ -61,7 +61,7 @@
   private var _colors = Map.empty[Graph_Display.Node, Color]
   def colors = _colors
 
-  private def build_colors()
+  private def build_colors(): Unit =
   {
     _colors =
       (Map.empty[Graph_Display.Node, Color] /: Colors()) {