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Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2006-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.ref
/**
* @see `java.lang.ref.Reference`
* @author Sean McDirmid
*/
trait Reference[+T <: AnyRef] extends Function0[T] {
/** return the underlying value */
def apply(): T
/** return `Some` underlying if it hasn't been collected, otherwise `None` */
def get: Option[T]
override def toString = get.map(_.toString).getOrElse("")
def clear(): Unit
def enqueue(): Boolean
def isEnqueued(): Boolean
}