Scala example source code file (SetProxyLike.scala)

This example Scala source code file (SetProxyLike.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

a, a, boolean, boolean, genset, genset, iterableproxylike, set, setlike, setproxylike, this, this

The Scala SetProxyLike.scala source code

/*                     __                                               *\
**     ________ ___   / /  ___     Scala API                            **
**    / __/ __// _ | / /  / _ |    (c) 2003-2011, LAMP/EPFL             **
**  __\ \/ /__/ __ |/ /__/ __ |    http://scala-lang.org/               **
** /____/\___/_/ |_/____/_/ | |                                         **
**                          |/                                          **
\*                                                                      */


package scala.collection

import generic._

// Methods could be printed by  cat SetLike.scala | egrep '^  (override )?def'

/** This trait implements a proxy for sets. It forwards
 *  all calls to a different set.
 *
 *  @author  Martin Odersky
 *  @version 2.8
 */
trait SetProxyLike[A, +This <: SetLike[A, This] with Set[A]] extends SetLike[A, This] with IterableProxyLike[A, This] {
  def empty: This
  override def contains(elem: A): Boolean = self.contains(elem)
  override def + (elem: A) = self.+(elem)
  override def - (elem: A) = self.-(elem)
  override def isEmpty: Boolean = self.isEmpty
  override def apply(elem: A): Boolean = self.apply(elem)
  override def intersect(that: GenSet[A]) = self.intersect(that)
  override def &(that: GenSet[A]): This = self.&(that)
  override def union(that: GenSet[A]): This = self.union(that)
  override def | (that: GenSet[A]): This = self.|(that)
  override def diff(that: GenSet[A]): This = self.diff(that)
  override def &~(that: GenSet[A]): This = self.&~(that)
  override def subsetOf(that: GenSet[A]): Boolean = self.subsetOf(that)
}