--- loncom/types/Queue.pm	2003/04/18 02:40:24	1.1
+++ loncom/types/Queue.pm	2003/04/24 10:57:57	1.3
@@ -1,6 +1,29 @@
-#
 #  Implement a simple queue in terms of a list.
 #
+# $Id: Queue.pm,v 1.3 2003/04/24 10:57:57 foxr Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 
 =pod
 
@@ -63,6 +86,19 @@ sub dequeue {
 }
 
 
+=pod  
+=head1 Count
+
+Returns number of items in a queue.
+
+=cut
+
+sub Count {
+    my $self = shift;
+    my $count = scalar(@$self);
+    return $count;
+}
+
 1;
 
 =pod