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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection
import generic.{ CanBuildFrom => CBF, _ }
/** A template trait for all iterable collections which may possibly
* have their operations implemented in parallel.
*
* This trait contains abstract methods and methods that can be implemented
* directly in terms of other methods.
*
* @author Martin Odersky
* @author Aleksandar Prokopec
* @since 2.9
*/
trait GenIterableLike[+A, +Repr] extends GenTraversableLike[A, Repr] {
def iterator: Iterator[A]
def sameElements[A1 >: A](that: GenIterable[A1]): Boolean
def zip[A1 >: A, B, That](that: GenIterable[B])(implicit bf: CBF[Repr, (A1, B), That]): That
def zipWithIndex[A1 >: A, That](implicit bf: CBF[Repr, (A1, Int), That]): That
def zipAll[B, A1 >: A, That](that: GenIterable[B], thisElem: A1, thatElem: B)(implicit bf: CBF[Repr, (A1, B), That]): That
def isEmpty = iterator.isEmpty
def head = iterator.next
}
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