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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.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 MapLike[K, V, Repr]
with ParIterableLike[(K, V), Repr, Sequential]
{ self =>
protected[this] override def newBuilder: Builder[(K, V), Repr] = newCombiner
protected[this] override def newCombiner: Combiner[(K, V), Repr] = unsupportedop("Must implement `newCombiner` in concrete collections.")
override def empty: Repr
private type T = (K, V)
override def toParMap[K, V](implicit ev: T <:< (K, V)) = this.asInstanceOf[ParMap[K, V]]
}
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