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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, abstractseq, builder, canbuildfrom, genericcompanion, generictraversabletemplate, iterable, 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 mutable

import generic._


/** A subtrait of `collection.Seq` which represents sequences
 *  that can be mutated.
 *
 *  $seqInfo
 *
 *  The class adds an `update` method to `collection.Seq`.
 *
 *  @define Coll `mutable.Seq`
 *  @define coll mutable sequence
 */
trait Seq[A] extends Iterable[A]
//                with GenSeq[A]
                with scala.collection.Seq[A]
                with GenericTraversableTemplate[A, Seq]
                with SeqLike[A, Seq[A]] {
  override def companion: GenericCompanion[Seq] = Seq
  override def seq: Seq[A] = this
}

/** $factoryInfo
 *  The current default implementation of a $Coll is an `ArrayBuffer`.
 *  @define coll mutable sequence
 *  @define Coll `mutable.Seq`
 */
object Seq extends SeqFactory[Seq] {
  implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, Seq[A]] = ReusableCBF.asInstanceOf[GenericCanBuildFrom[A]]
  def newBuilder[A]: Builder[A, Seq[A]] = new ArrayBuffer
}

/** Explicit instantiation of the `Seq` trait to reduce class file size in subclasses. */
abstract class AbstractSeq[A] extends scala.collection.AbstractSeq[A] with Seq[A]

Other Scala source code examples

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