—

              
HideShow 22 lines of Pod
=pod
=encoding utf-8
=head1 PURPOSE
Type library used in several test cases.
Defines types C<String>, C<Number> and C<Integer>.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017-2025 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
package DemoLib;
use strict;
use warnings;
use Scalar::Util "looks_like_number";
use Type::Utils;
use Type::Library -base;
declare "String",
        where { no warnings; not ref $_ }
        message { "is not a string" };
declare "Number",
        as "String",
        where { no warnings; looks_like_number $_ },
        message { "'$_' doesn't look like a number" };
declare "Integer",
        as "Number",
        where { no warnings; $_ eq int($_) };
1;