Bash counter increment not working Post: 302903886

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moose::meta::attribute::native::trait::counter

Moose::Meta::Attribute::Native::Trait::Counter(3)	User Contributed Perl Documentation	 Moose::Meta::Attribute::Native::Trait::Counter(3)

NAME

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

VERSION

       version 2.0604

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

       o   set($value)

	   Sets the counter to the specified value and returns the new value.

	   This method requires a single argument.

       o   inc

       o   inc($arg)

	   Increases the attribute value by the amount of the argument, or by 1 if no argument is given. This method returns the new value.

	   This method accepts a single argument.

       o   dec

       o   dec($arg)

	   Decreases the attribute value by the amount of the argument, or by 1 if no argument is given. This method returns the new value.

	   This method accepts a single argument.

       o   reset

	   Resets the value stored in this slot to its default value, and returns the new value.

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) 2012 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.

perl v5.16.2							    2012-09-19			 Moose::Meta::Attribute::Native::Trait::Counter(3)