use union/diff operator on Sets (optimization)

2016-03-18 12:28:07 +01:00 · 2016-03-18 12:28:07 +01:00 · 777a400b12
commit 777a400b12
parent b7fecaff37
6 changed files with 15 additions and 18 deletions
--- a/akka-docs/rst/scala/code/docs/ddata/TwoPhaseSet.scala
+++ b/akka-docs/rst/scala/code/docs/ddata/TwoPhaseSet.scala
@ -19,7 +19,7 @@ case class TwoPhaseSet(
  def remove(element: String): TwoPhaseSet =
    copy(removals = removals.add(element))

-  def elements: Set[String] = adds.elements -- removals.elements
+  def elements: Set[String] = adds.elements diff removals.elements

  override def merge(that: TwoPhaseSet): TwoPhaseSet =
    copy(