use warnings;
use metaclass;
+use B;
use Scalar::Util 'blessed';
use Moose::Util::TypeConstraints ();
-our $VERSION = '0.82';
-$VERSION = eval $VERSION;
-our $AUTHORITY = 'cpan:STEVAN';
-
use base 'Moose::Meta::TypeConstraint';
__PACKAGE__->meta->add_attribute('role' => (
reader => 'role',
+ Class::MOP::_definition_context(),
));
+my $inliner = sub {
+ my $self = shift;
+ my $val = shift;
+
+ return 'Moose::Util::does_role('
+ . $val . ', '
+ . B::perlstring($self->role)
+ . ')';
+};
+
sub new {
my ( $class, %args ) = @_;
- $args{parent} = Moose::Util::TypeConstraints::find_type_constraint('Role');
- my $self = $class->_new(\%args);
+ $args{parent} = Moose::Util::TypeConstraints::find_type_constraint('Object');
+
+ my $role_name = $args{role};
+ $args{constraint} = sub { Moose::Util::does_role( $_[0], $role_name ) };
+
+ $args{inlined} = $inliner;
+
+ my $self = $class->SUPER::new( \%args );
$self->_create_hand_optimized_type_constraint;
$self->compile_type_constraint();
if ( not ref $type_or_name_or_role ) {
# it might be a role
- return 1 if Class::MOP::class_of($self->role)->does_role( $type_or_name_or_role );
+ my $class = Class::MOP::class_of($self->role);
+ return 1 if defined($class) && $class->does_role( $type_or_name_or_role );
}
my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name_or_role);
if ( $type->isa(__PACKAGE__) ) {
# if $type_or_name_or_role isn't a role, it might be the TC name of another ::Role type
# or it could also just be a type object in this branch
- return Class::MOP::class_of($self->role)->does_role( $type->role );
+ my $class = Class::MOP::class_of($self->role);
+ return defined($class) && $class->does_role( $type->role );
} else {
# the only other thing we are a subtype of is Object
$self->SUPER::is_subtype_of($type);
1;
+# ABSTRACT: Role/TypeConstraint parallel hierarchy
+
__END__
=pod
-=head1 NAME
-
-Moose::Meta::TypeConstraint::Role - Role/TypeConstraint parallel hierarchy
-
=head1 DESCRIPTION
This class represents type constraints for a role.
=head1 BUGS
-All complex software has bugs lurking in it, and this module is no
-exception. If you find a bug please either email me, or add the bug
-to cpan-RT.
-
-=head1 AUTHOR
-
-Yuval Kogman E<lt>nothingmuch@cpan.orgE<gt>
-
-=head1 COPYRIGHT AND LICENSE
-
-Copyright 2006-2009 by Infinity Interactive, Inc.
-
-L<http://www.iinteractive.com>
-
-This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
+See L<Moose/BUGS> for details on reporting bugs.
=cut