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ETHER / Moose-2.2207 / lib / Moose / Meta / Class / Immutable / Trait.pm 

            

              
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package Moose::Meta::Class::Immutable::Trait;
our $VERSION = '2.2207';
use strict;
use warnings;
use Class::MOP;
use Scalar::Util qw( blessed );
use parent 'Class::MOP::Class::Immutable::Trait';
use Moose::Util 'throw_exception';
sub add_role { $_[1]->_immutable_cannot_call }
sub calculate_all_roles {
    my $orig = shift;
    my $self = shift;
    @{ $self->{__immutable}{calculate_all_roles} ||= [ $self->$orig ] };
}
sub calculate_all_roles_with_inheritance {
    my $orig = shift;
    my $self = shift;
    @{ $self->{__immutable}{calculate_all_roles_with_inheritance} ||= [ $self->$orig ] };
}
sub does_role {
    shift;
    my $self = shift;
    my $role = shift;
    (defined $role)
        || throw_exception( RoleNameRequired => class_name => $self->name );
    $self->{__immutable}{does_role} ||= { map { $_->name => 1 } $self->calculate_all_roles_with_inheritance };
    my $name = blessed $role ? $role->name : $role;
    return $self->{__immutable}{does_role}{$name};
}
1;
# ABSTRACT: Implements immutability for metaclass objects
__END__
=pod
=encoding UTF-8
=head1 NAME
Moose::Meta::Class::Immutable::Trait - Implements immutability for metaclass objects
=head1 VERSION
version 2.2207
=head1 DESCRIPTION
This class makes some Moose-specific metaclass methods immutable. This
is deep guts.
=head1 BUGS
See L<Moose/BUGS> for details on reporting bugs.
=head1 AUTHORS
=over 4
=item *
Stevan Little <stevan@cpan.org>
=item *
Dave Rolsky <autarch@urth.org>
=item *
Jesse Luehrs <doy@cpan.org>
=item *
Shawn M Moore <sartak@cpan.org>
=item *
יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org>
=item *
Karen Etheridge <ether@cpan.org>
=item *
Florian Ragwitz <rafl@debian.org>
=item *
Hans Dieter Pearcey <hdp@cpan.org>
=item *
Chris Prather <chris@prather.org>
=item *
Matt S Trout <mstrout@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2006 by Infinity Interactive, Inc.
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