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/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala
package collection
package immutable
/** Base trait for sorted sets */
trait SortedSet[A]
extends Set[A]
with collection.SortedSet[A]
with SortedSetOps[A, SortedSet, SortedSet[A]]
with SortedSetFactoryDefaults[A, SortedSet, Set] {
override def unsorted: Set[A] = this
override def sortedIterableFactory: SortedIterableFactory[SortedSet] = SortedSet
}
/**
* @define coll immutable sorted set
* @define Coll `immutable.SortedSet`
*/
trait SortedSetOps[A, +CC[X] <: SortedSet[X], +C <: SortedSetOps[A, CC, C]]
extends SetOps[A, Set, C]
with collection.SortedSetOps[A, CC, C] {
def unsorted: Set[A]
}
trait StrictOptimizedSortedSetOps[A, +CC[X] <: SortedSet[X], +C <: SortedSetOps[A, CC, C]]
extends SortedSetOps[A, CC, C]
with collection.StrictOptimizedSortedSetOps[A, CC, C]
with StrictOptimizedSetOps[A, Set, C] {
}
/**
* $factoryInfo
* @define coll immutable sorted set
* @define Coll `immutable.SortedSet`
*/
@SerialVersionUID(3L)
object SortedSet extends SortedIterableFactory.Delegate[SortedSet](TreeSet) {
override def from[E: Ordering](it: IterableOnce[E]): SortedSet[E] = it match {
case ss: SortedSet[E] if Ordering[E] == ss.ordering => ss
case _ => super.from(it)
}
}