Moose::Meta::Attribute::Native::Trait::Bool - Helper trait for Bool attributes
VERSION
version 2.2207
SYNOPSIS
package Room;
use Moose;
has 'is_lit' => (
traits => ['Bool'],
is => 'rw',
isa => 'Bool',
default => 0,
handles => {
illuminate => 'set',
darken => 'unset',
flip_switch => 'toggle',
is_dark => 'not',
},
);
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
DESCRIPTION
This trait provides native delegation methods for boolean values. A boolean is a scalar which can be 1
, 0
, ""
, or undef
.
DEFAULT TYPE
If you don't provide an isa
value for your attribute, it will default to Bool
.
PROVIDED METHODS
None of these methods accept arguments.
set
Sets the value to
1
and returns1
.unset
Set the value to
0
and returns0
.toggle
Toggles the value. If it's true, set to false, and vice versa.
Returns the new value.
not
Equivalent of 'not
$value
'.
BUGS
See "BUGS" in Moose for details on reporting bugs.
AUTHORS
Stevan Little <[email protected]>
Dave Rolsky <[email protected]>
Jesse Luehrs <[email protected]>
Shawn M Moore <[email protected]>
יובל קוג'מן (Yuval Kogman) <[email protected]>
Karen Etheridge <[email protected]>
Florian Ragwitz <[email protected]>
Hans Dieter Pearcey <[email protected]>
Chris Prather <[email protected]>
Matt S Trout <[email protected]>
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.