NAME
    Template::Plugin::SumOf - calculate the sum with VMETHODS.

SYNOPSIS
        # in your script
        use Template;
        use Template::Plugin::SumOf;
        my $tt = Template->new;
        $tt->process(
            'template.html',
            {
                ary => [
                    { date => '2006-09-13', price => 300 },
                    { date => '2006-09-14', price => 500 }
                ]
            }
          )
          or die $tt->error;

        # in your template.
        [% USE SumOf -%]
        [%- FOR elem IN objects -%]
        [% elem.date  %],[% elem.price %]
        [% END -%]
        ,[% objects.sum_of('price') %]

        # result.
        2006-09-13,300
        2006-09-14,500
        ,800

DESCRIPTION
    You can easy to calculate sum of array, with VMETHODS.

BUGS AND LIMITATIONS
    No bugs have been reported.

    Please report any bugs or feature requests to
    "bug-template-plugin-sumof@rt.cpan.org", or through the web interface at
    <http://rt.cpan.org>.

AUTHOR
    Tokuhiro Matsuno "<tokuhiro __at__ mobilefactory.jp>"

SEE ALSO
    Template

LICENCE AND COPYRIGHT
    Copyright (c) 2006, Tokuhiro Matsuno "<tokuhirom @__at__ gmail.com>".
    All rights reserved.

    This module is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY
    BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
    FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
    OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
    PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
    EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
    ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
    YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
    NECESSARY SERVICING, REPAIR, OR CORRECTION.

    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
    WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
    REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE
    TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR
    CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
    SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
    RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
    FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
    SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
    DAMAGES.