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



package scala.collection

/** Buffered iterators are iterators which provide a method `head`
* that inspects the next element without discarding it.
*
* @author Martin Odersky
* @version 2.8
* @since 2.8
*/
trait BufferedIterator[+A] extends Iterator[A] {

  /** Returns next element of iterator without advancing beyond it.
*/
  def head: A

  override def buffered: this.type = this
}
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