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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id: $
package scala.collection.immutable
import scala.collection.generic._
import scala.collection.mutable
/** A subtrait of <code>collection.Traversable</code> which represents
* traversables that cannot be mutated.
*
* @author Matthias Zenger
* @author Martin Odersky
* @version 2.8
*/
trait Traversable[+A] extends collection.Traversable[A]
with TraversableClass[A, Traversable]
with TraversableTemplate[A, Traversable[A]]
with Immutable {
override def companion: Companion[Traversable] = Traversable
}
/** A factory object for the trait <code>Traversable</code>.
*
* @author Martin Odersky
* @version 2.8
*/
object Traversable extends TraversableFactory[Traversable] {
implicit def builderFactory[A]: BuilderFactory[A, Traversable[A], Coll] =
new VirtualBuilderFactory[A]
def newBuilder[A]: Builder[A, Traversable[A]] = new mutable.ListBuffer
}
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