NAME
    Mo::utils::EAN - Mo EAN utilities.

SYNOPSIS
     use Mo::utils::EAN qw(check_ean);

     check_ean($self, $key);

DESCRIPTION
    Mo EAN utilities for checking of data objects.

SUBROUTINES
  "check_ean"
     check_ean($self, $key);

    Check parameter defined by $key if it's EAN code. Value could be
    undefined.

    Returns undef.

ERRORS
     check_ean():
             EAN code doesn't valid.

EXAMPLE1
     use strict;
     use warnings;

     use Mo::utils::EAN qw(check_ean);

     my $self = {
             'key' => '8590786020177',
     };
     check_ean($self, 'key');

     # Print out.
     print "ok\n";

     # Output:
     # ok

EXAMPLE2
     use strict;
     use warnings;

     use Error::Pure;
     use Mo::utils::EAN qw(check_ean);

     $Error::Pure::TYPE = 'Error';

     my $self = {
             'key' => 'xx',
     };
     check_ean($self, 'key');

     # Print out.
     print "ok\n";

     # Output like:
     # #Error [...utils.pm:?] EAN code doesn't valid.

DEPENDENCIES
    Business::Barcode::EAN13, Error::Pure, Exporter, Readonly.

SEE ALSO
    Mo  Micro Objects. Mo is less.

    Mo::utils
        Mo utilities.

    Mo::utils::Language
        Mo language utilities.

    Wikibase::Datatype::Utils
        Wikibase datatype utilities.

REPOSITORY
    <https://github.com/michal-josef-spacek/Mo-utils-EAN>

AUTHOR
    Michal Josef Špaček <mailto:skim@cpan.org>

    <http://skim.cz>

LICENSE AND COPYRIGHT
    © 2023 Michal Josef Špaček

    BSD 2-Clause License

VERSION
    0.01