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=pod
=encoding utf-8
=head1 PURPOSE
Ensure that the following works consistently on all supported Perls:
HashRef[Int]|Undef, @extra_parameters
=head1 AUTHOR
Graham Knop E<lt>haarg@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2020-2023 by Graham Knop.
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
use strict;
use warnings FATAL => 'all';
use Test::More;
use Types::Standard -all;
my $union = eval { Dict[ welp => HashRef[Int]|Undef, guff => ArrayRef[Int] ] };
SKIP: {
ok $union or skip 'broken type', 6;
ok $union->check({welp => {blorp => 1}, guff => [2]});
ok $union->check({welp => undef, guff => [2]});
ok $union->check({welp => {}, guff => []});
ok !$union->check({welp => {}, guff => {}});
ok !$union->check({welp => {blorp => 1}});
ok !$union->check({guff => [2]});
}
done_testing;
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