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Scala example source code file (TestMarker.scala)

This example Scala source code file (TestMarker.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

compiler, duplicatetestmarker, hyperlinkmarker, map, none, nsc, please, scopecompletionmarker, some, string, testmarker, typemarker

The TestMarker.scala Scala example source code


case class DuplicateTestMarker(msg: String) extends Exception(msg)

object TestMarker {
  import scala.collection.mutable.Map
  private val markers: Map[String, TestMarker] = Map.empty

  private def checkForDuplicate(marker: TestMarker) {
    markers.get(marker.marker) match {
      case None => markers(marker.marker) = marker
      case Some(otherMarker) =>
        val msg = "Marker `%s` is already used by %s. Please choose a different marker for %s".format(marker.marker, marker, otherMarker)
        throw new DuplicateTestMarker(msg)

abstract case class TestMarker(marker: String) {

object TypeCompletionMarker extends TestMarker("/*!*/")

object ScopeCompletionMarker extends TestMarker("/*_*/")

object TypeMarker extends TestMarker("/*?*/")

object HyperlinkMarker extends TestMarker("/*#*/")

Other Scala source code examples

Here is a short list of links related to this Scala TestMarker.scala source code file:

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