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Scala example source code file (Seq.scala)

This example Scala source code file (Seq.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

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

The Scala Seq.scala source code

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



package scala.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]] = new GenericCanBuildFrom[A]
  def newBuilder[A]: Builder[A, Seq[A]] = new mutable.ListBuffer
}

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