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authorMartin Odersky <odersky@gmail.com>2009-05-08 16:33:15 +0000
committerMartin Odersky <odersky@gmail.com>2009-05-08 16:33:15 +0000
commit14a631a5fec42d04d0723355a0b93e482b5e4662 (patch)
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massive new collections checkin.
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+/* __ *\
+** ________ ___ / / ___ Scala API **
+** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL **
+** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
+** /____/\___/_/ |_/____/_/ | | **
+** |/ **
+\* */
+
+// $Id: BufferedIterator.scala 12641 2007-08-22 16:01:57Z mcdirmid $
+
+
+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
+ */
+trait BufferedIterator[+A] extends Iterator[A] {
+
+ /** Returns current element of iterator without advancing beyond it.
+ */
+ def head: A
+
+ override def buffered: this.type = this
+}