MooseX::AttributeHelpers::Trait::Bool - simple boolean attribute

       Stevan Little <stevan@iinteractive.com>

       Jason May

       This software is copyright (c) 2007 by Stevan Little and 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.

perl v5.34.0                                       2022-06-15              MooseX::Attrib...rs::Trait::Bool(3pm)

       This provides a simple boolean attribute, which supports most of the basic math operations.

metahelper_typemethod_constructorshas_method_providermethod_provider

       MooseX::AttributeHelpers::Trait::Bool - simple boolean attribute

       It  is  important  to  note  that  all  those methods do in place modification of the value stored in the
       attribute.

       set Sets the value to 1.

       unset
           Set the value to 0.

       toggle
           Toggle the value. If it's true, set to false, and vice versa.

       not Equivalent of 'not $value'.

       Bugs        may        be        submitted        through        the        RT        bug         tracker
       <https://rt.cpan.org/Public/Dist/Display.html?Name=MooseX-AttributeHelpers>                           (or
       bug-MooseX-AttributeHelpers@rt.cpan.org <mailto:bug-MooseX-AttributeHelpers@rt.cpan.org>).

       There   is   also   a   mailing    list    available    for    users    of    this    distribution,    at
       <http://lists.perl.org/list/moose.html>.

       There  is  also  an  irc  channel available for users of this distribution, at "#moose" on "irc.perl.org"
       <irc://irc.perl.org/#moose>.

         package Room;
         use Moose;
         use MooseX::AttributeHelpers;

         has 'is_lit' => (
             metaclass => 'Bool',
             is        => 'rw',
             isa       => 'Bool',
             default   => sub { 0 },
             provides  => {
                 set     => 'illuminate',
                 unset   => 'darken',
                 toggle  => 'flip_switch',
                 not     => 'is_dark'
             }
         );

         my $room = Room->new();
         $room->illuminate;     # same as $room->is_lit(1);
         $room->darken;         # same as $room->is_lit(0);
         $room->flip_switch;    # same as $room->is_lit(not $room->is_lit);
         return $room->is_dark; # same as !$room->is_lit

       version 0.25