--- loncom/types/Stack.pm 2003/04/18 06:10:47 1.2
+++ loncom/types/Stack.pm 2003/04/24 15:12:40 1.4
@@ -1,6 +1,6 @@
# Implement a simple stack in terms of a list.
#
-# $Id: Stack.pm,v 1.2 2003/04/18 06:10:47 albertel Exp $
+# $Id: Stack.pm,v 1.4 2003/04/24 15:12:40 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -88,6 +88,19 @@ sub pop {
return pop(@$self);
}
+=pod
+
+=head 1
+
+ Returns the number of items on the stack.
+
+=cut
+
+sub Count {
+ my $self = shift;
+ my $elements = scalar(@$self);
+ return $elements;
+}
1;
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