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1 | package Moose::AttributeHelpers::Trait::Bool; |
2 | use Moose::Role; |
3 | use Moose::AttributeHelpers::MethodProvider::Bool; |
4 | |
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5 | our $VERSION = '0.85'; |
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6 | $VERSION = eval $VERSION; |
7 | our $AUTHORITY = 'cpan:STEVAN'; |
8 | |
9 | with 'Moose::AttributeHelpers::Trait::Base'; |
10 | |
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11 | sub _default_is { 'rw' } |
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12 | sub _helper_type { 'Bool' } |
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13 | |
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14 | # NOTE: we don't use the method provider for this module since many of |
15 | # the names of the provided methods would conflict with keywords - SL |
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16 | |
17 | has 'method_provider' => ( |
18 | is => 'ro', |
19 | isa => 'ClassName', |
20 | predicate => 'has_method_provider', |
21 | default => 'Moose::AttributeHelpers::MethodProvider::Bool' |
22 | ); |
23 | |
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24 | no Moose::Role; |
25 | |
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26 | package # hide me from search.cpan.org |
27 | Moose::Meta::Attribute::Custom::Trait::Bool; |
28 | sub register_implementation { 'Moose::AttributeHelpers::Trait::Bool' } |
29 | |
30 | 1; |
31 | |
32 | =pod |
33 | |
34 | =head1 NAME |
35 | |
36 | Moose::AttributeHelpers::Bool |
37 | |
38 | =head1 SYNOPSIS |
39 | |
40 | package Room; |
41 | use Moose; |
42 | use Moose::AttributeHelpers; |
43 | |
44 | has 'is_lit' => ( |
45 | metaclass => 'Bool', |
46 | is => 'rw', |
47 | isa => 'Bool', |
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48 | default => 0, |
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49 | handles => { |
50 | illuminate => 'set', |
51 | darken => 'unset', |
52 | flip_switch => 'toggle', |
53 | is_dark => 'not', |
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54 | } |
55 | ); |
56 | |
57 | my $room = Room->new(); |
58 | $room->illuminate; # same as $room->is_lit(1); |
59 | $room->darken; # same as $room->is_lit(0); |
60 | $room->flip_switch; # same as $room->is_lit(not $room->is_lit); |
61 | return $room->is_dark; # same as !$room->is_lit |
62 | |
63 | =head1 DESCRIPTION |
64 | |
65 | This provides a simple boolean attribute, which supports most of the |
66 | basic math operations. |
67 | |
68 | =head1 METHODS |
69 | |
70 | =over 4 |
71 | |
72 | =item B<meta> |
73 | |
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74 | =item B<method_constructors> |
75 | |
76 | =item B<has_method_provider> |
77 | |
78 | =item B<method_provider> |
79 | |
80 | =back |
81 | |
82 | =head1 PROVIDED METHODS |
83 | |
84 | It is important to note that all those methods do in place |
85 | modification of the value stored in the attribute. |
86 | |
87 | =over 4 |
88 | |
89 | =item I<set> |
90 | |
91 | Sets the value to C<1>. |
92 | |
93 | =item I<unset> |
94 | |
95 | Set the value to C<0>. |
96 | |
97 | =item I<toggle> |
98 | |
99 | Toggle the value. If it's true, set to false, and vice versa. |
100 | |
101 | =item I<not> |
102 | |
103 | Equivalent of 'not C<$value>'. |
104 | |
105 | =back |
106 | |
107 | =head1 BUGS |
108 | |
109 | All complex software has bugs lurking in it, and this module is no |
110 | exception. If you find a bug please either email me, or add the bug |
111 | to cpan-RT. |
112 | |
113 | =head1 AUTHOR |
114 | |
115 | Jason May |
116 | |
117 | =head1 COPYRIGHT AND LICENSE |
118 | |
119 | Copyright 2007-2009 by Infinity Interactive, Inc. |
120 | |
121 | L<http://www.iinteractive.com> |
122 | |
123 | This library is free software; you can redistribute it and/or modify |
124 | it under the same terms as Perl itself. |
125 | |
126 | =cut |