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



package scala.collection
package mutable

import generic._

/** A subtrait of `collection.IndexedSeq` which represents sequences
* that can be mutated.
*
* $indexedSeqInfo
*/
trait IndexedSeq[A] extends Seq[A]
                   with scala.collection.IndexedSeq[A]
                   with GenericTraversableTemplate[A, IndexedSeq]
                   with IndexedSeqLike[A, IndexedSeq[A]] {
  override def companion: GenericCompanion[IndexedSeq] = IndexedSeq
}

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