[Templates] patch for Stash to use objects as arrays

[Stephen Howard]

I've got an object type that uses a tied array as the underlying data 
type.  For my purposes this lets me use it as an array for certain 
behaviors and still call methods on it like an object.  This works great 
in perl, but Template Toolkit refuses to let me treat it as an array in 
my templates.  The patch below lets me do that, though.
Any chances anyone else wants to see this as well?  It seems sensible to 
me that if the template author hands Stash a numeric index as an 
argument, they know they're working with some form of array.  Note to 
others, you'll have to include an as_list() subroutine in your class for 
this little snippet in Template::Iterator to be happy:

   elsif (UNIVERSAL::can($data, 'as_list')) {
       $data = $data->as_list();
   }
here's the patch:

--- Stash.orig.pm       Fri Dec  5 17:06:17 2003
+++ Stash.pm    Fri Dec  5 16:54:19 2003
@@ -572,7 +572,7 @@
           return [EMAIL PROTECTED]@$item}];                       ## RETURN
       }
    }
-    elsif ($rootref eq 'ARRAY' ) {
+    elsif ($rootref eq 'ARRAY' || $item =~ /^-?\d+$/ ) {
       # if root is an ARRAY then we check for a LIST_OPS pseudo-method
       # (except for l-values for which it doesn't make any sense)
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