---
name: "MooseX::AttributeHelpers::Trait::Number"
section: "3pm"
platform: "linux"
package: "libmoosex-attributehelpers-perl"
version: "0.25-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/MooseX::AttributeHelpers::Trait::Number"
---

# MooseX::AttributeHelpers::Trait::Number(3pm)

simple numeric attribute

## NAME

MooseX::AttributeHelpers::Trait::Number - simple numeric attribute

## VERSION

version 0.25

## SYNOPSIS

```
  package Real;
  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);
  $real->sub(2); # same as $real->integer($real->integer - 2);
```

## DESCRIPTION

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

## METHODS

- **meta**

  - **helper\_type**

  - **method\_constructors**

  ## PROVIDED METHODS

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

- *set ($value)*

  Alternate way to set the value.

- *add ($value)*

  Adds the current value of the attribute to `$value`.

- *sub ($value)*

  Subtracts the current value of the attribute to `$value`.

- *mul ($value)*

  Multiplies the current value of the attribute to `$value`.

- *div ($value)*

  Divides the current value of the attribute to `$value`.

- *mod ($value)*

  Modulus the current value of the attribute to `$value`.

- *abs*

  Sets the current value of the attribute to its absolute value.

## SUPPORT

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\>.

## AUTHOR

Stevan Little \<stevan@iinteractive.com\>

Robert Boone

## COPYRIGHT AND LICENSE

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.