scala.collection.parallel.immutable.ParSet.scala Maven / Gradle / Ivy
/*
* 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
package collection
package parallel.immutable
import scala.collection.generic._
import scala.collection.parallel.ParSetLike
import scala.collection.parallel.Combiner
/** An immutable variant of `ParSet`.
*
* @define Coll `mutable.ParSet`
* @define coll mutable parallel set
*/
trait ParSet[T]
extends scala.collection/*.immutable*/.GenSet[T]
with GenericParTemplate[T, ParSet]
with parallel.ParSet[T]
with ParIterable[T]
with ParSetLike[T, ParSet[T], scala.collection.immutable.Set[T]]
{
self =>
override def empty: ParSet[T] = ParHashSet[T]()
override def companion: GenericCompanion[ParSet] with GenericParCompanion[ParSet] = ParSet
override def stringPrefix = "ParSet"
// ok, because this could only violate `apply` and we can live with that
override def toSet[U >: T]: ParSet[U] = this.asInstanceOf[ParSet[U]]
}
/** $factoryInfo
* @define Coll `mutable.ParSet`
* @define coll mutable parallel set
*/
object ParSet extends ParSetFactory[ParSet] {
def newCombiner[T]: Combiner[T, ParSet[T]] = HashSetCombiner[T]
implicit def canBuildFrom[T]: CanCombineFrom[Coll, T, ParSet[T]] = new GenericCanCombineFrom[T]
}