scala.collection.generic.BitSetFactory.scala Maven / Gradle / Ivy
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Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection
package generic
import scala.collection._
import mutable.Builder
/** @define coll collection
* @define Coll `Traversable`
* @define factoryInfo
* This object provides a set of operations to create `$Coll` values.
* @author Martin Odersky
* @version 2.8
* @define canBuildFromInfo
* The standard `CanBuildFrom` instance for $Coll objects.
* @see CanBuildFrom
* @define bitsetCanBuildFrom
* The standard `CanBuildFrom` instance for bitsets.
*/
trait BitSetFactory[Coll <: BitSet with BitSetLike[Coll]] {
def empty: Coll
def newBuilder: Builder[Int, Coll]
def apply(elems: Int*): Coll = (empty /: elems) (_ + _)
def bitsetCanBuildFrom = new CanBuildFrom[Coll, Int, Coll] {
def apply(from: Coll) = newBuilder
def apply() = newBuilder
}
}