X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=classes%2Fpliterator.php;h=5c79a6f5cc6c350e21e083119b788d88f7f7f76b;hb=c80c472d71d62a56289b6d0c29a00be9cdcd4389;hp=0b5f25489e299938eeb189cb3eedf1993534dc01;hpb=08fa70684fd1332178cddb6b318151335fb4506c;p=platal.git

diff --git a/classes/pliterator.php b/classes/pliterator.php
index 0b5f254..5c79a6f 100644
--- a/classes/pliterator.php
+++ b/classes/pliterator.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2008 Polytechnique.org                              *
+ *  Copyright (C) 2003-2011 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -19,11 +19,25 @@
  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  ***************************************************************************/
 
+/** An iterator.
+ */
 interface PlIterator
 {
+    /** Fetch and return the next element of the iterator.
+     * If no more element is available, return null.
+     */
     public function next();
+
+    /** Return the number of element of the iterator.
+     */
     public function total();
+
+    /** True if the current element is the first element.
+     */
     public function first();
+
+    /** True if the current element is the last element.
+     */
     public function last();
 }