1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
package Moose::Meta::Class::Immutable::Trait;
our $VERSION = '2.4000';
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 2.4000
=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
|
