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Scala example source code file (Set.scala)

This example Scala source code file (Set.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Scala tags/keywords

anyref, boolean, boolean, iterator, set, t, t, u, u, unit, unit

The Scala Set.scala source code

/* NSC -- new Scala compiler
 * Copyright 2005-2011 LAMP/EPFL
 * @author  Martin Odersky
 */

package scala.tools.nsc
package util

/** A common class for lightweight sets.
 */
abstract class Set[T <: AnyRef] {

  def findEntry(x: T): T

  def addEntry(x: T): Unit

  def iterator: Iterator[T]
  
  def foreach[U](f: T => U): Unit = iterator foreach f
  
  def apply(x: T): Boolean = contains(x)
  
  @deprecated("use `iterator' instead", "2.9.0") def elements = iterator

  def contains(x: T): Boolean =
    findEntry(x) ne null

  def toList = iterator.toList

}

Other Scala examples (source code examples)

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