MooseX::AttributeHelpers::Counter
package MyHomePage; use Moose; use MooseX::AttributeHelpers; has 'counter' => ( metaclass => 'Counter', is => 'ro', isa => 'Num', default => sub { 0 }, provides => { inc => 'inc_counter', dec => 'dec_counter', reset => 'reset_counter', } ); my $page = MyHomePage->new(); $page->inc_counter; # same as $page->counter($page->counter + 1); $page->dec_counter; # same as $page->counter($page->counter - 1);
This module provides a simple counter attribute, which can be incremented and decremeneted.
If your attribute definition does not include any of is, isa, default or provides but does use the Counter metaclass, then this module applies defaults as in the "SYNOPSIS" above. This allows for a very basic counter definition:
Counter
has 'foo' => (metaclass => 'Counter'); $obj->inc_foo;
Run before its superclass method.
Run after its superclass method.
It is important to note that all those methods do in place modification of the value stored in the attribute.
Increments the value stored in this slot by 1.
Decrements the value stored in this slot by 1.
Resets the value stored in this slot to it's default value.
All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to cpan-RT.
Stevan Little <stevan@iinteractive.com>
Copyright 2007 by Infinity Interactive, Inc.
http://www.iinteractive.com
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
To install MooseX::AttributeHelpers, copy and paste the appropriate command in to your terminal.
cpanm
cpanm MooseX::AttributeHelpers
CPAN shell
perl -MCPAN -e shell install MooseX::AttributeHelpers
For more information on module installation, please visit the detailed CPAN module installation guide.