scala.collection.generic.GenericParCompanion.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 generic
import scala.collection.parallel.Combiner
import scala.collection.parallel.ParIterable
import scala.collection.parallel.ParMap
import scala.language.higherKinds
/** A template class for companion objects of parallel collection classes.
* They should be mixed in together with `GenericCompanion` type.
*
* @define Coll `ParIterable`
* @tparam CC the type constructor representing the collection class
* @since 2.8
*/
trait GenericParCompanion[+CC[X] <: ParIterable[X]] {
/** The default builder for $Coll objects.
*/
def newBuilder[A]: Combiner[A, CC[A]]
/** The parallel builder for $Coll objects.
*/
def newCombiner[A]: Combiner[A, CC[A]]
}
trait GenericParMapCompanion[+CC[P, Q] <: ParMap[P, Q]] {
def newCombiner[P, Q]: Combiner[(P, Q), CC[P, Q]]
}