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CPAN/Moose/Meta/Attribute/Native/Trait/Bool.pm
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146
CPAN/Moose/Meta/Attribute/Native/Trait/Bool.pm
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package Moose::Meta::Attribute::Native::Trait::Bool;
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our $VERSION = '2.2207';
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use Moose::Role;
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with 'Moose::Meta::Attribute::Native::Trait';
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sub _helper_type { 'Bool' }
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no Moose::Role;
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1;
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# ABSTRACT: Helper trait for Bool attributes
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__END__
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=pod
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=encoding UTF-8
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=head1 NAME
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Moose::Meta::Attribute::Native::Trait::Bool - Helper trait for Bool attributes
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=head1 VERSION
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version 2.2207
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=head1 SYNOPSIS
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package Room;
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use Moose;
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has 'is_lit' => (
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traits => ['Bool'],
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is => 'rw',
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isa => 'Bool',
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default => 0,
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handles => {
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illuminate => 'set',
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darken => 'unset',
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flip_switch => 'toggle',
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is_dark => 'not',
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},
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);
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my $room = Room->new();
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$room->illuminate; # same as $room->is_lit(1);
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$room->darken; # same as $room->is_lit(0);
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$room->flip_switch; # same as $room->is_lit(not $room->is_lit);
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return $room->is_dark; # same as !$room->is_lit
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=head1 DESCRIPTION
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This trait provides native delegation methods for boolean values. A boolean is
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a scalar which can be C<1>, C<0>, C<"">, or C<undef>.
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=head1 DEFAULT TYPE
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If you don't provide an C<isa> value for your attribute, it will default to
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C<Bool>.
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=head1 PROVIDED METHODS
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None of these methods accept arguments.
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=over 4
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=item * B<set>
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Sets the value to C<1> and returns C<1>.
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=item * B<unset>
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Set the value to C<0> and returns C<0>.
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=item * B<toggle>
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Toggles the value. If it's true, set to false, and vice versa.
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Returns the new value.
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=item * B<not>
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Equivalent of 'not C<$value>'.
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=back
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=head1 BUGS
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See L<Moose/BUGS> for details on reporting bugs.
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=head1 AUTHORS
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=over 4
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=item *
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Stevan Little <stevan@cpan.org>
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=item *
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Dave Rolsky <autarch@urth.org>
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=item *
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Jesse Luehrs <doy@cpan.org>
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=item *
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Shawn M Moore <sartak@cpan.org>
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=item *
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יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org>
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=item *
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Karen Etheridge <ether@cpan.org>
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=item *
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Florian Ragwitz <rafl@debian.org>
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=item *
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Hans Dieter Pearcey <hdp@cpan.org>
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=item *
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Chris Prather <chris@prather.org>
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=item *
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Matt S Trout <mstrout@cpan.org>
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=back
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=head1 COPYRIGHT AND LICENSE
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This software is copyright (c) 2006 by Infinity Interactive, Inc.
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This is free software; you can redistribute it and/or modify it under
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the same terms as the Perl 5 programming language system itself.
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=cut
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