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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */


package scala.collection.parallel



import scala.collection.generic.GenericCompanion
import scala.collection.generic.GenericParCompanion
import scala.collection.generic.GenericParTemplate
import scala.collection.generic.ParFactory
import scala.collection.generic.CanCombineFrom
import scala.collection.GenSeq
import scala.collection.parallel.mutable.ParArrayCombiner
import scala.collection.parallel.mutable.ParArray



/** A template trait for parallel sequences.
*
* $parallelseqinfo
*
* $sideeffects
*
* @tparam T the type of the elements in this parallel sequence
*
* @author Aleksandar Prokopec
*/
trait ParSeq[+T] extends GenSeq[T]
                    with ParIterable[T]
                    with GenericParTemplate[T, ParSeq]
                    with ParSeqLike[T, ParSeq[T], Seq[T]]
{
  override def companion: GenericCompanion[ParSeq] with GenericParCompanion[ParSeq] = ParSeq
  //protected[this] override def newBuilder = ParSeq.newBuilder[T]

  def apply(i: Int): T

  override def toString = super[ParIterable].toString

  override def stringPrefix = getClass.getSimpleName
}


object ParSeq extends ParFactory[ParSeq] {
  implicit def canBuildFrom[T]: CanCombineFrom[Coll, T, ParSeq[T]] = new GenericCanCombineFrom[T]

  def newBuilder[T]: Combiner[T, ParSeq[T]] = ParArrayCombiner[T]

  def newCombiner[T]: Combiner[T, ParSeq[T]] = ParArrayCombiner[T]

}























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