package scala.collection
package mutable
import generic._
import collection.parallel.mutable.ParHashSet
@SerialVersionUID(1L)
class HashSet[A] private[collection] (contents: FlatHashTable.Contents[A])
extends Set[A]
with GenericSetTemplate[A, HashSet]
with SetLike[A, HashSet[A]]
with FlatHashTable[A]
with CustomParallelizable[A, ParHashSet[A]]
with Serializable
{
initWithContents(contents)
def this() = this(null)
override def companion: GenericCompanion[HashSet] = HashSet
override def size = tableSize
def contains(elem: A): Boolean = containsEntry(elem)
def += (elem: A): this.type = { addEntry(elem); this }
def -= (elem: A): this.type = { removeEntry(elem); this }
override def par = new ParHashSet(hashTableContents)
override def add(elem: A): Boolean = addEntry(elem)
override def remove(elem: A): Boolean = removeEntry(elem).isDefined
override def clear() = clearTable()
override def foreach[U](f: A => U) {
var i = 0
val len = table.length
while (i < len) {
val elem = table(i)
if (elem ne null) f(elem.asInstanceOf[A])
i += 1
}
}
override def clone() = new HashSet[A] ++= this
private def writeObject(s: java.io.ObjectOutputStream) {
serializeTo(s)
}
private def readObject(in: java.io.ObjectInputStream) {
init(in, x => x)
}
def useSizeMap(t: Boolean) = if (t) {
if (!isSizeMapDefined) sizeMapInitAndRebuild
} else sizeMapDisable
}
object HashSet extends MutableSetFactory[HashSet] {
implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, HashSet[A]] = setCanBuildFrom[A]
override def empty[A]: HashSet[A] = new HashSet[A]
}