Karen Etheridge > Moose-2.1005 > Moose::Meta::Attribute::Native::Trait::Counter

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Module Version: 2.1005   Source   Latest Release: Moose-2.1210

NAME ^

Moose::Meta::Attribute::Native::Trait::Counter - Helper trait for Int attributes which represent counters

VERSION ^

version 2.1005

SYNOPSIS ^

  package MyHomePage;
  use Moose;

  has 'counter' => (
      traits  => ['Counter'],
      is      => 'ro',
      isa     => 'Num',
      default => 0,
      handles => {
          inc_counter   => 'inc',
          dec_counter   => 'dec',
          reset_counter => 'reset',
      },
  );

  my $page = MyHomePage->new();
  $page->inc_counter;    # same as $page->counter( $page->counter + 1 );
  $page->dec_counter;    # same as $page->counter( $page->counter - 1 );

  my $count_by_twos = 2;
  $page->inc_counter($count_by_twos);

DESCRIPTION ^

This trait provides native delegation methods for counters. A counter can be any sort of number (integer or not). The delegation methods allow you to increment, decrement, or reset the value.

DEFAULT TYPE ^

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

PROVIDED METHODS ^

BUGS ^

See "BUGS" in Moose for details on reporting bugs.

AUTHOR ^

Moose is maintained by the Moose Cabal, along with the help of many contributors. See "CABAL" in Moose and "CONTRIBUTORS" in Moose for details.

COPYRIGHT AND LICENSE ^

This software is copyright (c) 2013 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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