NAME
    Mo::utils::UDC - Mo utilities for Universal Decimal Classification.

SYNOPSIS
     use Mo::utils::UDC qw(check_udc);

     check_udc($self, $key);

DESCRIPTION
    Mo Universal Decimal Classification utilities for checking of data
    objects.

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

    Check parameter defined by $key if it's valid UDC (Universal Decimal
    Classification) string. Value could be undefined or doesn't exist.

    Returns undef.

ERRORS
     check_udc():
             Parameter '%s' doesn't contain valid Universal Decimal Classification string.
                     Error: %s
                     Value: %s

EXAMPLE1
     use strict;
     use warnings;

     use Mo::utils::UDC qw(check_udc);

     my $self = {
             'key' => '821.111(73)-31"19"',
     };
     check_udc($self, 'key');

     # Print out.
     print "ok\n";

     # Output:
     # ok

EXAMPLE2
     use strict;
     use warnings;

     use Error::Pure;
     use Mo::utils::UDC qw(check_udc);

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

     my $self = {
             'key' => '821:.5',
     };
     check_udc($self, 'key');

     # Print out.
     print "ok\n";

     # Output like:
     # #Error [...UDC.pm:?] Parameter 'key' doesn't contain valid Universal Decimal Classification string.

DEPENDENCIES
    Business::UDC, Error::Pure, Exporter, Readonly.

SEE ALSO
    Mo  Micro Objects. Mo is less.

    Mo::utils
        Mo utilities.

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

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

    <http://skim.cz>

LICENSE AND COPYRIGHT
    © 2026 Michal Josef Špaček

    BSD 2-Clause License

VERSION
    0.01