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Scala example source code file (ParMapLike.scala)

This example Scala source code file (ParMapLike.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

cloneable, collection, generics, growable, k, mutable, option, parmap, parmaplike, repr, sequential, u, v

The ParMapLike.scala Scala example source code

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

package scala
package collection.parallel
package mutable

import scala.collection.generic._
import scala.collection.mutable.Cloneable
import scala.collection.generic.Growable
import scala.collection.generic.Shrinkable

/** A template trait for mutable parallel maps. This trait is to be mixed in
 *  with concrete parallel maps to override the representation type.
 *
 *  $sideeffects
 *
 *  @tparam K    the key type of the map
 *  @tparam V    the value type of the map
 *
 *  @author Aleksandar Prokopec
 *  @since 2.9
 */
trait ParMapLike[K,
                 V,
                 +Repr <: ParMapLike[K, V, Repr, Sequential] with ParMap[K, V],
                 +Sequential <: scala.collection.mutable.Map[K, V] with scala.collection.mutable.MapLike[K, V, Sequential]]
extends scala.collection.GenMapLike[K, V, Repr]
   with scala.collection.parallel.ParMapLike[K, V, Repr, Sequential]
   with Growable[(K, V)]
   with Shrinkable[K]
   with Cloneable[Repr]
{
  // note: should not override toMap

  def put(key: K, value: V): Option[V]

  def +=(kv: (K, V)): this.type

  def -=(key: K): this.type

  def +[U >: V](kv: (K, U)) = this.clone().asInstanceOf[ParMap[K, U]] += kv

  def -(key: K) = this.clone() -= key

  def clear(): Unit
}

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