s_mach.datadiff.SetPatch.scala Maven / Gradle / Ivy

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/*
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package s_mach.datadiff

/**
 * A case class for a patch of a set
 *
 * @param add the items added to the set
 * @param remove the items removed from the set
 * @tparam A the value type
 */
case class SetPatch[A](
  add: Set[A], // Note: set is invariant for A
  remove: Set[A]
)

object SetPatch {
  val _noChange = SetPatch(Set.empty[Any], Set.empty[Any])
  def noChange[A] = _noChange.asInstanceOf[SetPatch[A]]
}