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Refine MapOps in concurrent.Map, add MapFactory #10891

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Refine MapOps in concurrent.Map, add MapFactory #10891

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12 changes: 10 additions & 2 deletions src/library/scala/collection/concurrent/Map.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,11 @@
*/

package scala
package collection.concurrent
package collection
package concurrent

import scala.annotation.tailrec
import scala.collection.mutable

/** A template trait for mutable maps that allow concurrent access.
*
Expand All @@ -35,7 +37,11 @@ import scala.annotation.tailrec
* @define atomicop
* This is an atomic operation.
*/
trait Map[K, V] extends scala.collection.mutable.Map[K, V] {
trait Map[K, V] extends mutable.Map[K, V]
with mutable.MapOps[K, V, Map, Map[K, V]]
with MapFactoryDefaults[K, V, Map, mutable.Iterable] {

override def mapFactory: MapFactory[Map] = Map

/**
* Associates the given key with a given value, unless the key was already
Expand Down Expand Up @@ -188,3 +194,5 @@ trait Map[K, V] extends scala.collection.mutable.Map[K, V] {
this
}
}

object Map extends MapFactory.Delegate[Map](TrieMap)
1 change: 1 addition & 0 deletions src/library/scala/collection/convert/JavaCollectionWrappers.scala
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Expand Up @@ -474,6 +474,7 @@ private[collection] object JavaCollectionWrappers extends Serializable {
@SerialVersionUID(3L)
class JConcurrentMapWrapper[K, V](val underlying: juc.ConcurrentMap[K, V])
extends AbstractJMapWrapper[K, V]
with JMapWrapperLike[K, V, concurrent.Map, concurrent.Map[K, V]]
with concurrent.Map[K, V] {

override def get(k: K) = Option(underlying get k)
Expand Down
2 changes: 2 additions & 0 deletions test/junit/scala/collection/BuildFromTest.scala
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Expand Up @@ -187,6 +187,8 @@ class BuildFromTest {
implicitly[BuildFrom[immutable.LongMap[_], (Long, String), immutable.LongMap[String]]]
implicitly[BuildFrom[mutable.AnyRefMap[_ <: AnyRef, _], (String, String), mutable.AnyRefMap[String, String]]]
implicitly[BuildFrom[mutable.AnyRefMap[String, String], (String, String), _]]
implicitly[BuildFrom[mutable.Map[String, String], (String, String), mutable.Map[String, String]]]
implicitly[BuildFrom[concurrent.Map[String, String], (String, String), concurrent.Map[String, String]]]

// Check that collection companions can implicitly be converted to a `BuildFrom` instance
Iterable: BuildFrom[_, Int, Iterable[Int]]
Expand Down
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