MooseX::Types::Common::Numeric - Commonly used numeric types

    use MooseX::Types::Common::Numeric qw/PositiveInt/;
    has count => (is => 'rw', isa => PositiveInt);

    ...
    #this will fail
    $object->count(-33);

package MooseX::Types::Common::Numeric;

use strict;
use warnings;

our $VERSION = '0.001001';

use MooseX::Types -declare => [
  qw(PositiveNum PositiveInt NegativeNum NegativeInt SingleDigit)
];

use MooseX::Types::Moose qw/Num Int/;

subtype PositiveNum,
  as Num,
  where { $_ >= 0 },
  message { "Must be a positive number" };

subtype PositiveInt,
  as Int,
  where { $_ >= 0 },
  message { "Must be a positive integer" };

subtype NegativeNum,
  as Num,
  where { $_ <= 0 },
  message { "Must be a negative number" };

subtype NegativeInt,
  as Int,
  where { $_ <= 0 },
  message { "Must be a negative integer" };

subtype SingleDigit,
  as PositiveInt,
  where { $_ <= 9 },
  message { "Must be a single digit" };

1;

__END__;