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=pod
=encoding utf-8
=head1 PURPOSE
L<Types::ReadOnly> does some frickin weird stuff with parameterization.
Check it all works!
=head1 DEPENDENCIES
Test is skipped if Types::ReadOnly 0.003 is not available.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2019-2023 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
use strict;
use warnings;
use lib qw( ./lib ./t/lib ../inc ./inc );
use Test::More;
use Test::Requires { "Types::ReadOnly" => '0.003' };
use Test::Fatal;
use Types::Standard -types;
use Types::ReadOnly -types;
my $UnitHash = Dict->of(
magnitude => Num,
unit => Optional[Str],
)->plus_coercions(
Str ,=> q{ do { my($m,$u) = split / /; { magnitude => $m, unit => $u } } },
);
my $LockedUnitHash = Locked[$UnitHash];
my $thirtymetres = $LockedUnitHash->coerce('30 m');
is($thirtymetres->{magnitude}, 30);
is($thirtymetres->{unit}, 'm');
my $e = exception { $thirtymetres->{shizzle}++ };
like($e, qr/disallowed key/);
done_testing;
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