package MooseX::AttributeHelpers::Number;
use Moose;
-
-our $VERSION = '0.01';
-our $AUTHORITY = 'cpan:STEVAN';
+use MooseX::AttributeHelpers::Sugar;
extends 'MooseX::AttributeHelpers::Base';
-sub helper_type { 'Num' }
-
-has '+method_constructors' => (
- default => sub {
- return +{
- set => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], $_[1]) };
- },
- add => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], $attr->get_value($_[0]) + $_[1]) };
- },
- sub => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], $attr->get_value($_[0]) - $_[1]) };
- },
- mul => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], $attr->get_value($_[0]) * $_[1]) };
- },
- div => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], $attr->get_value($_[0]) / $_[1]) };
- },
- mod => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], $attr->get_value($_[0]) % $_[1]) };
- },
- abs => sub {
- my $attr = shift;
- return sub { $attr->set_value($_[0], abs($attr->get_value($_[0])) ) };
- },
- }
- }
+our $VERSION = '0.02';
+our $AUTHORITY = 'cpan:STEVAN';
+
+define_attribute_helper (
+ helper_type => 'Num',
+ method_provider => 'MooseX::AttributeHelpers::MethodProvider::Number',
+ shortcut => 'Number',
);
-
-no Moose;
-# register the alias ...
-package Moose::Meta::Attribute::Custom::Number;
-sub register_implementation { 'MooseX::AttributeHelpers::Number' }
+no Moose;
+no MooseX::AttributeHelpers::Sugar;
1;
+__END__
+
=pod
=head1 NAME
=head1 SYNOPSIS
package Real;
- use Moose;
-
- has 'integer' => (
- metaclass => 'Number',
- is => 'ro',
- isa => 'Int',
- default => sub { 5 },
- provides => {
- set => 'set',
- add => 'add',
- sub => 'sub',
- mul => 'mul',
- div => 'div',
- mod => 'mod',
- abs => 'abs',
- }
- );
+ use Moose;
+ use MooseX::AttributeHelpers;
+
+ has 'integer' => (
+ metaclass => 'Number',
+ is => 'ro',
+ isa => 'Int',
+ default => sub { 5 },
+ provides => {
+ set => 'set',
+ add => 'add',
+ sub => 'sub',
+ mul => 'mul',
+ div => 'div',
+ mod => 'mod',
+ abs => 'abs',
+ }
+ );
my $real = Real->new();
$real->add(5); # same as $real->integer($real->integer + 5);
=head1 DESCRIPTION
-=head1 METHODS
+This provides a simple numeric attribute, which supports most of the
+basic math operations. It is important to note that all operations modify the
+value of the attribute in place.
+
+=head1 METHOD PROVIDER
+
+The methods for this metaclass are provided by
+L<MooseX::AttributeHelpers::MethodProvider::Number>.
=head1 BUGS
=head1 COPYRIGHT AND LICENSE
-Copyright 2007 by Infinity Interactive, Inc.
+Copyright 2007-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
-=cut
\ No newline at end of file
+=cut