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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection.parallel
import scala.collection.MapLike
import scala.collection.GenMapLike
import scala.collection.Map
import scala.collection.mutable.Builder
/** 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 <: Map[K, V] with MapLike[K, V, Sequential]]
extends GenMapLike[K, V, Repr]
with ParIterableLike[(K, V), Repr, Sequential]
{
self =>
def default(key: K): V = throw new NoSuchElementException("key not found: " + key)
def empty: Repr
def apply(key: K) = get(key) match {
case Some(v) => v
case None => default(key)
}
// note - should not override toMap (could be mutable)
}
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