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package Pod::Abstract::Serial;
use strict;
our $VERSION = '0.20';
my $serial_number = 0;
=head1 NAME
Pod::Abstract::Serial - generate a global sequence of serial numbers.
=head1 DESCRIPTION
Used to number Pod::Abstract::Node elements for identification.
=head1 BUGS
This will cause problems with Pod::Abstract documents frozen to disk
using Data::Dumper etc, unless C<set> is used to bump the number above
the highest number read.
Or just serialise your document with C<< $node->pod >> instead!
=cut
sub next {
return ++$serial_number;
}
sub last {
return $serial_number;
}
sub set {
$serial_number = shift;
}
=head1 AUTHOR
Ben Lilburne <bnej@mac.com>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2009 Ben Lilburne
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
1;
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