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Standard library for the SubScript extension of the Scala Programming Language
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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2010-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala
package collection
package generic
import scala.collection.parallel.ParIterable
import scala.collection.parallel.Combiner
import scala.language.higherKinds
/** A template class for companion objects of `ParIterable` and subclasses
* thereof. This class extends `TraversableFactory` and provides a set of
* operations to create `$Coll` objects.
*
* @define coll parallel collection
* @define Coll `ParIterable`
* @since 2.8
*/
abstract class ParFactory[CC[X] <: ParIterable[X] with GenericParTemplate[X, CC]]
extends GenTraversableFactory[CC]
with GenericParCompanion[CC] {
//type EPC[T, C] = scala.collection.parallel.EnvironmentPassingCombiner[T, C]
/** A generic implementation of the `CanCombineFrom` trait, which forwards
* all calls to `apply(from)` to the `genericParBuilder` method of the $coll
* `from`, and calls to `apply()` to this factory.
*/
class GenericCanCombineFrom[A] extends GenericCanBuildFrom[A] with CanCombineFrom[CC[_], A, CC[A]] {
override def apply(from: Coll) = from.genericCombiner
override def apply() = newBuilder[A]
}
}