—=pod
=encoding utf-8
=head1 PURPOSE
Make sure that the weakening of the reference from a Type::Coercion
object back to its "owner" type constraint does not break functionality.
=head1 SEE ALSO
=head1 AUTHOR
Diab Jerius E<lt>djerius@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2014, 2017-2025 by Diab Jerius.
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
Test::More;
use
Types::Standard -all;
use
Type::Utils -all;
declare_coercion ArrayRefFromAny,
to_type ArrayRef,
from Any, via { [
$_
] }
;
my
$x
= ArrayRef->plus_coercions(ArrayRefFromAny);
is_deeply(
$x
->coerce( [
'a'
] ),
[
'a'
],
);
# types hang around until after the coerce method is run
is_deeply(
ArrayRef->plus_coercions(ArrayRefFromAny)->coerce( [
'a'
] ),
[
'a'
],
);
# types go away after generation of coercion sub, breaking it
my
$coerce
= ArrayRef->plus_coercions(ArrayRefFromAny)->coercion;
is_deeply(
$coerce
->( [
'a'
] ),
[
'a'
],
) or diag explain(
$coerce
->( [
'a'
] ));
done_testing;