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Manual Reference Pages  -  MOOSE::META::ATTRIBUTE::NATIVE::TRAIT::NUMBER (3)

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NAME

Moose::Meta::Attribute::Native::Trait::Number - Helper trait for Num attributes

CONTENTS

VERSION

version 2.1605

SYNOPSIS



  package Real;
  use Moose;

  has integer => (
      traits  => [Number],
      is      => ro,
      isa     => Num,
      default => 5,
      handles => {
          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 trait provides native delegation methods for numbers. All of the operations correspond to arithmetic operations like addition or multiplication.

DEFAULT TYPE

If you don’t provide an isa value for your attribute, it will default to Num.

PROVIDED METHODS

All of these methods modify the attribute’s value in place. All methods return the new value.
o <B>add($value)B>

Adds the current value of the attribute to $value.

o <B>sub($value)B>

Subtracts $value from the current value of the attribute.

o <B>mul($value)B>

Multiplies the current value of the attribute by $value.

o <B>div($value)B>

Divides the current value of the attribute by $value.

o <B>mod($value)B>

Returns the current value of the attribute modulo $value.

o <B>absB>

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

BUGS

See BUGS in Moose for details on reporting bugs.

AUTHORS

o Stevan Little <stevan.little@iinteractive.com>
o Dave Rolsky <autarch@urth.org>
o Jesse Luehrs <doy@tozt.net>
o Shawn M Moore <code@sartak.org>
o XXXX XXXXX (Yuval Kogman) <nothingmuch@woobling.org>
o Karen Etheridge <ether@cpan.org>
o Florian Ragwitz <rafl@debian.org>
o Hans Dieter Pearcey <hdp@weftsoar.net>
o Chris Prather <chris@prather.org>
o Matt S Trout <mst@shadowcat.co.uk>

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.

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perl v5.20.3 MOOSE::META::ATTRIBUTE::NATIVE::TRAIT::NUMBER (3) 2016-02-16

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