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Scala example source code file (Seq.scala)

This example Scala source code file (Seq.scala) is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to scala-lang.org; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

a, canbuildfrom, genericcompanion, generictraversabletemplate, iterable, parallelizable, parseq, seq, seqfactory, seqlike

The Seq.scala Scala example source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2013, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */



package scala
package collection
package immutable

import generic._
import mutable.Builder
import parallel.immutable.ParSeq

/** A subtrait of `collection.Seq` which represents sequences
 *  that are guaranteed immutable.
 *
 *  $seqInfo
 *  @define Coll `immutable.Seq`
 *  @define coll immutable sequence
 */
trait Seq[+A] extends Iterable[A]
//                      with GenSeq[A]
                      with scala.collection.Seq[A]
                      with GenericTraversableTemplate[A, Seq]
                      with SeqLike[A, Seq[A]]
                      with Parallelizable[A, ParSeq[A]]
{
  override def companion: GenericCompanion[Seq] = Seq
  override def toSeq: Seq[A] = this
  override def seq: Seq[A] = this
  protected[this] override def parCombiner = ParSeq.newCombiner[A] // if `immutable.SeqLike` gets introduced, please move this there!
}

/** $factoryInfo
 *  @define Coll `immutable.Seq`
 *  @define coll immutable sequence
 */
object Seq extends SeqFactory[Seq] {
  /** genericCanBuildFromInfo */
  implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, Seq[A]] = ReusableCBF.asInstanceOf[GenericCanBuildFrom[A]]
  def newBuilder[A]: Builder[A, Seq[A]] = new mutable.ListBuffer
}

Other Scala source code examples

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