1 files changed, 0 insertions, 117 deletions
diff --git a/examples/scala-js/scalalib/overrides/scala/Symbol.scala b/examples/scala-js/scalalib/overrides/scala/Symbol.scala
deleted file mode 100644
index 1af9d28..0000000
--- a/examples/scala-js/scalalib/overrides/scala/Symbol.scala
+++ /dev/null
@@ -1,117 +0,0 @@
-/*                     __                                               *\
-**     ________ ___   / /  ___     Scala API                            **
-**    / __/ __// _ | / /  / _ |    (c) 2003-2013, LAMP/EPFL             **
-**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
-** /____/\___/_/ |_/____/_/ | |                                         **
-**                          |/                                          **
-\*                                                                      */
-
-package scala
-
-import scala.scalajs.js
-
-/** This class provides a simple way to get unique objects for equal strings.
- *  Since symbols are interned, they can be compared using reference equality.
- *  Instances of `Symbol` can be created easily with Scala's built-in quote
- *  mechanism.
- *
- *  For instance, the [[http://scala-lang.org/#_top Scala]] term `'mysym` will
- *  invoke the constructor of the `Symbol` class in the following way:
- *  `Symbol("mysym")`.
- *
- *  @author  Martin Odersky, Iulian Dragos
- *  @version 1.8
- */
-final class Symbol private (val name: String) extends Serializable {
-  /** Converts this symbol to a string.
-   */
-  override def toString(): String = "'" + name
-
-  @throws(classOf[java.io.ObjectStreamException])
-  private def readResolve(): Any = Symbol.apply(name)
-  override def hashCode = name.hashCode()
-  override def equals(other: Any) = this eq other.asInstanceOf[AnyRef]
-}
-
-// Modified to use Scala.js specific cache
-object Symbol extends JSUniquenessCache[Symbol] {
-  override def apply(name: String): Symbol = super.apply(name)
-  protected def valueFromKey(name: String): Symbol = new Symbol(name)
-  protected def keyFromValue(sym: Symbol): Option[String] = Some(sym.name)
-}
-
-private[scala] abstract class JSUniquenessCache[V]
-{
-  private val map = js.Dictionary.empty[js.Any] // V | js.Undefined
-
-  protected def valueFromKey(k: String): V
-  protected def keyFromValue(v: V): Option[String]
-
-  def apply(name: String): V = {
-    val cachedSym = map(name)
-    if (js.isUndefined(cachedSym)) {
-      val sym = valueFromKey(name)
-      map(name) = sym.asInstanceOf[js.Any]
-      sym.asInstanceOf[V]
-    } else {
-      cachedSym.asInstanceOf[V]
-    }
-  }
-
-  def unapply(other: V): Option[String] = keyFromValue(other)
-}
-
-/** This is private so it won't appear in the library API, but
-  * abstracted to offer some hope of reusability.  */
-/* DELETED for Scala.js
-private[scala] abstract class UniquenessCache[K >: js.String, V >: Null]
-{
-
-  import java.lang.ref.WeakReference
-  import java.util.WeakHashMap
-  import java.util.concurrent.locks.ReentrantReadWriteLock
-
-  private val rwl = new ReentrantReadWriteLock()
-  private val rlock = rwl.readLock
-  private val wlock = rwl.writeLock
-  private val map = new WeakHashMap[K, WeakReference[V]]
-
-  protected def valueFromKey(k: K): V
-  protected def keyFromValue(v: V): Option[K]
-
-  def apply(name: K): V = {
-    def cached(): V = {
-      rlock.lock
-      try {
-        val reference = map get name
-        if (reference == null) null
-        else reference.get  // will be null if we were gc-ed
-      }
-      finally rlock.unlock
-    }
-    def updateCache(): V = {
-      wlock.lock
-      try {
-        val res = cached()
-        if (res != null) res
-        else {
-          // If we don't remove the old String key from the map, we can
-          // wind up with one String as the key and a different String as
-          // as the name field in the Symbol, which can lead to surprising
-          // GC behavior and duplicate Symbols. See SI-6706.
-          map remove name
-          val sym = valueFromKey(name)
-          map.put(name, new WeakReference(sym))
-          sym
-        }
-      }
-      finally wlock.unlock
-    }
-
-    val res = cached()
-    if (res == null) updateCache()
-    else res
-  }
-  def unapply(other: V): Option[K] = keyFromValue(other)
-}
-*/