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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2005-2006, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.collection.mutable
/** This class...
*
* @author Sean McDirmid
* @version 1.0
*/
class LinkedHashSet[A](private val set0 : java.util.LinkedHashSet) extends Set[A] {
def this() = this(new java.util.LinkedHashSet)
private def this(set1 : java.util.Set, b : Boolean) =
this(new java.util.LinkedHashSet(set1))
def contains(elem: A): Boolean = set0.contains(elem)
def +=(elem: A): Unit = set0.add(elem)
def ++=(set: LinkedHashSet[A]) = set0.addAll(set.set0)
def --=(set: LinkedHashSet[A]) = set0.removeAll(set.set0)
def -=(elem: A): Unit = set0.remove(elem)
def elements = new Iterator[A] {
val i = set0.iterator
def hasNext = i.hasNext()
def next = i.next().asInstanceOf[A]
}
override def clear = set0.clear()
def size = set0.size()
override def toString() = set0.toString()
override def clone(): Set[A] = {
val res = new LinkedHashSet[A](set0, true)
res ++= this
res
}
}
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