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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id: Iterable.scala 15188 2008-05-24 15:01:02Z stepancheg $
package scalax.collection.generic
/** This class represents collections that can be reduced using a -= operator.
*
* @autor Martin Odersky
* @owner Martin Odersky
* @version 2.8
*/
trait Shrinkable[A] {
/** Removes a single element from this collection.
*
* @param elem the element to remove.
*/
def -=(elem: A): Unit
/** Removes two or more elements from this collection.
*
* @param elem1 the first element to remove.
* @param elem2 the second element to remove.
* @param elems the remaining elements to remove.
*/
def -=(elem1: A, elem2: A, elems: A*) {
this -= elem1
this -= elem2
this --= elems.asInstanceOf[Iterable[A]] // !@!
}
/** Removes a number of elements provided by an iterator from this collection.
*
* @param iter the iterator.
*/
def --=(iter: collection.Iterator[A]) { iter foreach -= }
/** Removes a number of elements provided by an iterable object from this collection.
*
* @param iter the iterable object.
*/
def --=(iter: collection.Iterable[A]) { iter foreach -= }
}
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