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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection
package mutable
/** This is a simple wrapper class for [[scala.collection.mutable.Set]].
* It is most useful for assembling customized set abstractions
* dynamically using object composition and forwarding.
*
* @author Matthias Zenger
* @version 1.1, 09/05/2004
* @since 1
*/
trait SetProxy[A] extends Set[A] with SetProxyLike[A, Set[A]] {
override def repr = this
override def empty = new SetProxy[A] { val self = SetProxy.this.self.empty }
override def + (elem: A) = { self += elem ; this }
override def - (elem: A) = { self -= elem ; this }
def +=(elem: A) = { self += elem; this }
def -=(elem: A) = { self -= elem; this }
}
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