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Standard library for the Scala Programming Language
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/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala.ref
import scala.annotation.nowarn
@nowarn("cat=deprecation")
trait ReferenceWrapper[+T <: AnyRef] extends Reference[T] with Proxy {
val underlying: java.lang.ref.Reference[_ <: T]
override def get = Option(underlying.get)
def apply() = {
val ret = underlying.get
if (ret eq null) throw new NoSuchElementException
ret
}
def clear(): Unit = underlying.clear()
def enqueue(): Boolean = underlying.enqueue()
def isEnqueued: Boolean = underlying.isEnqueued
def self: java.lang.ref.Reference[_ <: T] = underlying
}
private trait ReferenceWithWrapper[T <: AnyRef] {
val wrapper: ReferenceWrapper[T]
}